IDLE CAPACITY

The difference between rated capacity and actual level of operation, usually expressed in terms of percentages.

IDLE TIME

1) A time interval during which either the workman, the equipment, or both do not perform useful work. 2) Non-productive time of employees or machines due to work stoppage from any cause.

"ILITIES"

The operational and support requirements all programs must address (e.g., Availability, Maintainability, Vulnerability, Reliability, logistic Supportability, etc.)

ILLUSTRATED PARTS BREAKDOWN (IPB)

1) A pictorial illustration and listing of the parts necessary to support an equipment or item. 2) A manual containing illustrations and part numbers for all parts of the system or equipment on which it is issued. The IPB contains information required for ordering parts, for identifying parts, and for the arrangement of parts in assemblies.

IMPACT

1) The effect of one thing upon another. 2) In Estimating, a term used to describe the dollar (or percentage) amount that would result from a contemplated program or End Item revision, change, or update.

IMPLEMENTATION

1) To carry into effect. 2) The publication of directives, instructions, regulations, and related documents that define responsibilities and authorities, and establish the internal management processes necessary to implement the policies or procedures of a higher authority.

IMPLEMENTATION LANGUAGE

Software development language.

IMPLEMENTING COMMAND

The command responsible for the Acquisition and/or Modification of a system.

IMPOUNDMENT

An action by the President that prevents the Obligation or Expenditure of Budget Authority. Deferrals and Rescissions are the two types of presidential impoundments.

IMPROVEMENT

1) A change for the better. 2) The correction of an unfavorable condition. 3) An increment on a learning or Improvement Curve. 4) A Modification to or updating of a building structure, or other attachment to land, which is intended to remain so attached or annexed, such as sidewalks, trees, drives, tunnels, drains, and sewers.

IMPROVEMENT CURVE

The continued progressive lowering of the unit values of End Items in a manufacturing process. The improvement may result from more Efficient use of resources, employee learning, new equipment and Facilities, and/or improved flow of materials, etc. See also Learning Curve.

INACTIVE PURCHASE ORDER

An order against which all items have been received and invoiced.

INACTIVE TIME

That time during which an item is in reserve or in the inactive inventory.

INCENTIVE(S)

1) Something inciting to action or effort. 2) A motivational device used in Contracts to induce improved performance in calculable monetary terms by challenging a contractor to: (a) turn out a product that meets significantly advanced performance goals; (b) improve on the contract schedule up to and including the final delivery; (c) substantially reduce Costs of the work; or, (d) complete the project under a weighted combination of some or all of these objectives. See Incentive Type Contract.

INCENTIVE ARRANGEMENT

A negotiated arrangement that structures a series of relationships designed to motivate and reward a contractor for superior performance in accordance with the contract specification. See Incentive and Incentive Type Contract.

INCENTIVE EARNINGS

Earnings resulting from awards made under Cost, schedule, or technical performance clauses of Incentive Type Contracts.

INCENTIVE LIMITS

The maximum contractual plus or minus Incentives (expressed as dollars or points) for the total Contract, or its separate clauses. Incentive limits prevent the sum of the Cost, schedule, and technical incentive maximums from being greater than the maximum for the contract. See Incentive Type Contract.

INCENTIVE LOSSES

Negative Earnings resulting from penalties incurred under various Incentive Type Contracts.

INCENTIVE TYPE CONTRACT

The incentivetype Contract may be of either a fixed price or costreimbursement nature, with a special provision for adjustment of the fixed price or Fee. It provides for a target price, Target Profit or fee, and Target Cost as a point of departure for various Incentives. It also has a maximum price or maximum fee, with price or fee adjustment after completion of the contract for the purpose of establishing a final price or fee. The final adjustment is based on the contractor's Actual Costs, plus a sliding scale of Profit or fee which varies inversely with the Cost, but which, in no event, shall permit the final price or fee to exceed the maximum price or fee stated in the contract. Incentive type contracts may include specific incentive goals for schedule, technical performance, etc.

INCOME

Money, or the money equivalent, earned or accrued during an Accounting Period, arising from sales, issues and rentals of any type of goods and services, and from the receipt of gifts and windfalls from any outside source. The word income is usually qualified by such words as gross, net, etc.

INCOMMENSURABILITY

1) The inability to measure qualities or Characteristics by a meaningful common index. 2) Noncomparability.

INCREMENTAL COST

Addon, alternative, accessory, or choice Cost. Incremental costs takes into account the availability of existing resources when adding a new system.

INCREMENTAL FUNDING

The provision (or recording) of budgetary resources for a program or project, based on Obligations estimated to be incurred within a single Fiscal Year, when such budgetary resources will cover only a portion of the obligations to be incurred in completing the program or project as programmed. Incremental Funding is required for Research, Development, Test and Evaluation Appropriations and differs from Full Funding, where budgetary resources are provided or recorded for the total estimated obligations for a program or project in the initial year of funding.

INDEFINITE QUANTITY CONTRACT

A Contract which provides for furnishing an indefinite quantity, within stated limits, of specific supplies or services, during a specified contract period, with deliveries to be scheduled by the timely placement of orders upon the contractor by activities designated either specifically or by class.

INDEPENDENT AUDIT

An Audit performed by persons not under the administrative jurisdiction of the major entity being audited.

INDEPENDENT COST ANALYSIS (ICA)

An Analysis of program Cost Estimates, conducted by an impartial body disassociated from the management of the program.

INDEPENDENT COST ESTIMATE (ICE)

Any Cost Estimate developed in organizational channels separate and independent from program channels, and having the express purpose of serving as an analytical tool to validate or crosscheck program developed Estimates.

INDEPENDENT FAILURE

A Failure which is not caused by the failure of associated items. See Dependent Failure.

INDEPENDENT GOVERNMENT COST ESTIMATE (IGCE)

A presolicitation, Government Cost Estimate of the probable price of a proposed procurement, based upon the scope of work and/or technical requirements, as appropriate, without reliance upon contractors' pricing Estimates. IGCEs are prepared by Government personnel, independent of contractors.

INDEPENDENT RESEARCH AND DEVELOPMENT (IR&D)

Company funded, technical effort, by industry, which is not sponsored by, or required in performance of, a contract, and which consists of projects falling within the areas of: (a) basic and Applied Research; (b) Development; and, (c) systems and other concept formulation studies. IR&D investigation and experimentation often lead to the discovery of new facts, the revision of accepted scientific or technical conclusions, and the practical application of such new or revised conclusions to new products through studies, Evaluation, and development. IR&D is considered a Cost of doing Business, and is necessary for contractors to maintain their expertise, and to be competitive in their field of business. Advance agreements are arranged with the large contractors, and predetermined formula computations are made for smaller contractors, to determine the share of IR&D which will be paid for by the Government.

INDEPENDENT RESEARCH AND DEVELOPMENT (IR&D) FUNDS

Discretionary funds, which industry can allocate to Independent Research and Development projects.

INDEPENDENT VERIFICATION AND VALIDATION (IV&V)

An independent review of a software product for functional Effectiveness and technical sufficiency.

INDEX

1) An alphabetized listing of the names, places, and subjects in a printed work, giving the page on which each can be found. 2) A number or symbol used to indicate an operation or relationship involving a particular mathematical expression. 3) A number derived from a formula used to characterize a set of Data. 4) A statistical device for measuring changes in groups of data, which serves as a comparative measure.

INDEX NUMBER

A ratio of the value of a subject item to the value of a similar type item for purposes of comparison. Index numbers are often expressed as percentages. For example, a Price Index for an item is the ratio of its price at a given time to its price at some other time, usually previously.

INDIRECT COST(S)

1) The Cost of items which contribute to more than one output, and are, therefore, allocated over a select number of outputs. 2) Costs which are incurred for joint usage, and which cannot be identified specifically with a single product, service, program, function, or project. The term indirect cost is often used synonymously with Overhead. See also Direct Cost.

INDIRECT COST POOL

A grouping of Incurred Costs identified with two or more Cost objectives, but not specifically identified with any one final Cost Objective. See Indirect Cost.

INDIRECT LABOR

That Labor which is not capable of being specifically and consistently identified to a specific task or work order. Indirect labor Costs are accrued and charged to Overhead accounts, the sum of which is applied as Burden. Examples of indirect labor include management personnel, accountants, guards, firemen, etc.

INDIRECT MATERIAL

The Cost of materials not entering directly into a product. Examples of indirect material include cleaning fluids, perishable tools, etc.

INDIVIDUAL ACCEPTANCE TEST

A test of predetermined Critical Items to verify their Operational Characteristics prior to Assembly into subsystems or systems. Waivers to this requirement, such as using End Item acceptance tests, are not recommended for production expediency.

INDIVIDUAL ITEM RECORD

A record which provides required information for an individual item of property, as differentiated from a record covering an accumulation of items having identical nomenclature.

INDUSTRIAL BASE

That part of the total privately and Government owned industrial production and Depot Level Maintenance capacity in the United States and its territories and possessions, as well as capacity located in Canada, that is or shall be made available in an emergency for the manufacture of items required by the U.S. Military Services and selected Allies.

INDUSTRIAL ENGINEERING

The art and science of utilizing and coordinating personnel, equipment, and materials to attain a desired quantity of output at a specified time and at an optimum Cost. This may include gathering, analyzing, and acting upon facts pertaining to buildings and Facilities, layouts, personnel organization, operating procedures, methods, processes, schedules, time standards, wage rates, wage-payment plans, and systems for controlling the quality and quantity of goods and services.

INDUSTRIAL ENGINEERING COST ESTIMATE

1) A Cost Estimate made by the summation of the Cost of tasks, End Items, and Components. These Estimates are usually prepared by the persons responsible for the task, or by those individuals who will actually be performing the task. 2) A cost estimate based on timed or estimated Labor Standards, labor Efficiency measures, and labor rates. See also Detailed Cost Estimate and Industrial Engineering.

INDUSTRIAL FACILITIES

Industrial property (other than material, special tooling, military property, and special test equipment) for production, maintenance, research and Development, or test, including Real Property and rights therein, buildings, structures, improvements, and plant equipment.

INDUSTRIAL FUND

A revolving fund established at DoD industrial type activities where products or services are provided to external users. The purpose of the fund is to: (a) provide a more effective means of controlling Costs; (b) establish a flexible means for financing, Budgeting and Accounting; (c) encourage the creation of buyer-seller relationships; (d) place budgeting and accounting on a more Commercial basis; and, (e) encourage Cross-Servicing between military departments. Charges to the fund are made for procurement of materials, services, and labor, and the fund is reimbursed by proceeds from the sale of products and services.

INDUSTRIAL MOBILIZATION

The process of marshaling the industrial sector to provide goods and services, including construction, required to support military operations and the needs of the civil sector during domestic or national emergencies. It includes the mobilization of materials, labor, Capital, Facilities, and contributory items and services. Mobilization activities may result in some disruption to the national Economy.

INDUSTRIAL MODERNIZATION INCENTIVES PROGRAM (IMIP)

A Government program providing Incentives to a contractor to motivate investment of company funds in Improvements, which result in reducing Acquisition Costs.

INDUSTRIAL PLANT EQUIPMENT

That part of Plant Equipment, exceeding defined Acquisition cost Thresholds, used for the purpose of cutting, abrading, grinding, shaping, forming, joining, testing, measuring, heating, treating, or otherwise altering the physical, electrical, or chemical properties of materials, Components, or End Items, entailed in manufacturing, maintenance, supply, processing, Assembly, or research and Development operations.

INDUSTRIAL PREPAREDNESS

The state of preparedness in industry to produce essential materiel to support national military objectives.

INDUSTRIAL PROPERTY

As distinguished from Military Property, means any contractoracquired or GovernmentFurnished Property, including materials, special tooling, and Industrial Facilities furnished or acquired in the performance of a contract or subcontract.

INDUSTRIAL RESOURCE ANALYSIS

A Discrete Analysis of Industrial Base capabilities, conducted to determine the availability of production resources required to support a major system production program.

INDUSTRY DOCUMENT

Any standardization document issued by an industry or professional group with the intent of establishing common requirements, such as technical processes, Engineering practices, formats, procedures, or Physical Characteristics for an item.

INDUSTRY GROUP

A nonGovernmental organization, representing more than one Business concern, and conducting any professional, administration, standardization, research, or other activities for the Government or industry. The term industry group excludes individuals or business concerns organized for profit.

INFLATION

1) A rise in the general level of prices. 2) Pure inflation is defined as a rise in the general level of prices, unaccompanied by a rise in output or productivity. See also Escalation.

INFORMAL BID

See Quotation, which is the preferred term.

INFORMATION RETRIEVAL

The methods and procedures for recovering specific information from stored Data.

INFORMATION SYSTEM

A combination of personnel efforts, forms, instructions, procedures, Data, communication Facilities, and equipment that provides an organized and interconnected means for displaying information in support of specific functions.

INFRASTRUCTURE

All fixed and permanent installations, fabrications, or Facilities for the support and Control of military forces and the nation.

INHERENT

1) Intrinsic or existing as an integral part of something. 2) A Characteristic or parameter achievable under ideal conditions, generally derived by Analysis, and potentially present in the design.

INHERENT AVAILABILITY

The Availability of a system with respect only to operating time and corrective maintenance. Inherent availability ignores standby and delay times associated with preventive maintenance, as well as administrative and logistics down time.

INHERENT RELIABILITY AND MAINTAINABILITY VALUE

Any measure of Reliability or Maintainability that includes only the effects of item Design and installation, and assumes an ideal operating and support environment.

INITIAL OPERATIONAL CAPABILITY (IOC)

The first attainment of the minimum Capability to effectively employ a weapon, item of equipment, or system of approved specific Characteristics, and which is manned or operated by an adequately trained equipped, and supported military unit or force. See also Operational Capability and Full Operational Capability.

INITIAL OPERATIONAL TEST AND EVALUATION (IOT&E)

All operational Test and Evaluation conducted on production or production representative articles, to support the decision to proceed beyond Low-Rate Initial Production. IOT&E is conducted to provide a valid Estimate of expected system Operational Effectiveness and operational suitability.

INITIAL ORDER

An order for a specified quantity of Breadboard Configuration, Prototype, or production type Support Equipment required for Development Test and Evaluation, or for the support of the end article program.

INITIAL PERIOD OF SERVICE

1) If a date has been established for all support to be provided by the supply system, the initial period of service will be the ninety (90) day period commencing with the supply system support date. 2) If no supply system support date is established, the initial period of service will be the 90 day period commencing with the initial equipment installation date.

INITIAL PROCUREMENT

The first Procurement of an item or Fiscal Year Buy to obtain a specified number of items or system hardware.

INITIAL PROVISIONING

The process of determining the range and quantity of items (i.e., spares and repair parts, special tools, and test and support equipment) required to support and maintain an item for an Initial Period of Service. Its phases include the identification of items of supply, the establishment of Data for catalog, technical manual, and allowance list preparation, and the preparation of instructions to assure delivery of necessary support items with related end articles.

INITIAL SPARES (OR INITIAL SPARE PARTS)

Spare Components or assemblies used for replacement purposes in major End Items of equipment, initial Spare Parts are procured for the logistics support of a system during its Initial period of Service. Initial spares are generally procured through Provisioning, against the production contract, and specifically exclude Development Test and Evaluation spares, and spares provided for use during system installation, Assembly, and Checkout.

INITIAL SYSTEMS STUDY

A preliminary Analysis of mission, systems, and workloads to determine if further study and planning will be justified.

INITIATING AGENCY

The Agency which develops and prescribes a specific requirement.

INPLANT

Geographically defined as within a contractor's complex, at a specific location.

INPROCESS COMMITMENT

Money or funds set aside while a subcontract or other binding agreement is being processed.

IN-PROCESS INVENTORY CONTROL

The process whereby materials and parts are effectively and Efficiently planned and controlled to assure their availability at the required time.

IN-PROCESS REVIEW (IPR)

1) Review of a project or program at critical points to evaluate status and make recommendations to the decision authority. 2) A progressive review of technical manuals in the process of preparation. In-process reviews are held primarily for the purpose of providing guidance to the contractor or cognizant preparing activity to assure that manuals are being developed in accordance with the contract requirements and the approved maintenance plan and provisioning concept.

INPROCESS WORK PACKAGES

The Work Packages which have been started but not completed as of a reporting cutoff date.

INPUT

1) Anything put into a system, or expended during a system's operation, to achieve a result or Output. 2) The information or Variables required by a Computer Program. 3) The written or verbal Data, or information, requested from a person or Functional Area in support of a Cost Estimating or other reporting activity. See Cost Input.

IN SCOPE CHANGE

A Contract change notification from the customer which involves no change in contract Cost. See also Engineering Change, Class II and Scope Change.

INSPECTION

The physical and functional Examination and testing of supplies and services (including, when appropriate, raw materials, Components, and intermediate assemblies) to determine whether they conform to specified requirements.

INSPECTION CLAUSE

A contractual clause which allows the customer the right to inspect or test all supplies, even during manufacture, to discover Defects in material or workmanship, or to detect items otherwise not in conformity with contract requirements.

INSTALLATION

1) A fixed or relatively fixed location, together with its real estate, buildings, structures, utilities, and improvements thereon. Installations are usually identified with existing or potential organizations, missions, and/or functions. 2) A complete system or the combination of assemblies, accessories and detail parts required to make one complete operating equipment. An installation comprises a group of removable assemblies. 3) The physical locating of units or equipment in place.

INSTALLATION COST(S)

The Cost of locating units of equipment in place, ready for operation, and connecting the necessary services, such as electricity, water, and others.

INSTALLED EQUIPMENT

Equipment which is attached to or integrated in buildings or structures, and which is not removable without damage to the building or structure.

INSTALLED PERSONAL PROPERTY

Those items of Accessory equipment and furnishings, including materials for Installation thereof, which are required for operation, and are affixed as a part of the building or Facility such as elevators, lavatories and plumbing, heating, ventilation, cooling, electrical and sprinkler systems. Installed personal property excludes machine tools and production equipment.

INSURANCE

1) A Contract binding a company or individual to indemnify the insured party against specified loss. 2) The purchase of protection against losses, risks, or liabilities.

INSURANCE ITEMS

Items which may be required only occasionally or intermittently, but which prudence requires that a nominal quantity be stocked due to the essentiality or the lead time of the items.

INTANGIBLE ALLOWANCE

A Cash payment made, in accordance with established company procedures, to compensate an employee for the incidental Expenses incurred during relocation to a new site.

INTANGIBLE PROPERTY

Non-material property including, but not limited to, such classes of Personal Property as patents, patent rights, processes, techniques, inventions, copyrights, and goodwill.

INTEGRATE

To unify, join together, or make into a whole.

INTEGRATED DIAGNOSTICS

An initiative for delivering weapon systems designed for ease of maintenance (with built-in diagnostics), with less test equipment and fewer maintenance specialists. Suggested by industry, integrated diagnostics enhance military capabilities by increasing survivability of the support structure and by reducing the logistics tasks which could degrade unit mobility. Also, by combining the diagnostics equipment into an integrated system, maintenance quality tends to improve.

INTEGRATED LOGISTIC SUPPORT (ILS)

1) A Composite of all the support considerations necessary to assure the effective and economical support of a system for its Life Cycle. ILS is an integral part of all other aspects of system acquisition and operation, and is characterized by harmony and coherence among all the Integrated Logistic Support Elements. 2) A disciplined, unified, and iterative approach to the management and technical activities necessary to: (a) integrate support considerations into system and equipment design; (b) develop support requirements that are related consistently to readiness objectives, to Design, and to each other; (c) acquire the required support; and, (d) provide the required support, at minimum Cost, during the operational phase.

INTEGRATED LOGISTIC SUPPORT (ILS) ELEMENTS

Integrated Logistic Support (ILS) is comprised of ten principal Elements: (a) Maintenance Planning; (b) Manpower and Personnel; (c) Supply Support; (d) Support Equipment; (e) Technical Data; (f) Training and Training Support; (g) Computer Resources Support; (h) Facilities; (i) Packaging, Handling, Storage, and Transportation; and, (j) Design Interface.

INTEGRATED LOGISTIC SUPPORT (ILS) MANAGEMENT PLAN

An early logistics plan dealing with organizational authorities and responsibilities, and containing broad logistics strategy, thresholds, and maintenance concepts, etc., updated to identify requirements of support.

INTEGRATED LOGISTIC SUPPORT PLAN (ILSP)

The Government's formal planning document for Integrated Logistic Support. The ILSP, which is kept current through a program's Acquisition Life Cycle, sets forth the plan for operational support, provides a detailed ILS program to fit with the overall program, provides decision-making bodies with necessary ILS information to make sound decisions in system Development and production, and provides the basis for ILS and Procurement documentation such as Specification, Requests For Proposal, Statements of Work, Source Selection evaluation criteria, and Contract Data Requirements Lists, etc.

INTEGRATED PROGRAM ASSESSMENT (IPA)

A document prepared by the supporting staff or review forum of the Milestone Decision Authority to support Milestone reviews. The IPA provides an independent assessment of a program's status and readiness to proceed into the next phase of the Acquisition Life Cycle.

INTEGRATED PROGRAM SUMMARY (IPS)

A DoD Component document prepared and submitted to the Milestone Decision Authority in support of Milestone reviews. The IPS provides an assessment of a program's status and readiness to proceed into the next phase of the Acquisition Life Cycle.

INTEGRATED SUPPORT PLAN (ISP)

The contractor's document that establishes the policies, procedures, and methods that will be used to implement the contractor's planning and controlling for all Integrated Logistic Support.

INTEGRATING CONTRACTOR

The contractor given responsibility for overall scheduling and system Checkout of associate contractor activities and equipment, and for specified support services common to several of the contractors. Usually, the integrating contractor is also assigned the task of resolving Interface problems to ensure the proper operation and Development of a complex system.

INTEGRATION

1) The act of putting together, as the final End Item, the various Components of a system. 2) The gathering and joining together of all of the technical and functional activities and Interfaces required to link and operate the many facets of a complex weapon system. 3) The overall planning, organizing, and checking process associated with translating Request for Proposal costing requirements into a Cost Proposal. 4) The act of coordinating, summarizing, and documenting the various pieces of a Cost Estimate or a cost proposal.

INTEGRATION AND ASSEMBLY

The term used for the technical and functional activities associated with combining all lower level equipment or System Elements into a higher level Element or system.

INTEGRATION AND TESTING (IT)

For Software, the verification and validation of performance, timing, interface, and interplay of Hardware to software and Software to software Configuration Items under full system mission profile loading. IT is the third phase in the Software Development Cycle.

INTELLIGENCE REPORT

A report provided by the appropriate intelligence Agency to the Milestone Decision Authority, prior to each Milestone. For Milestone 0, the report will confirm the validity of the threat contained in the Mission Need Statement. For Milestones I-IV, the report will confirm the validation of the system threat assessment used in support of the program, and will address any threat issues or unresolved threat concerns affecting the program.

INTERCHANGEABILITY

A condition which exists when two or more items possess such functional and Physical Characteristics as to be equivalent in performance and durability, and are capable of being exchanged one for the other, without alteration of the items themselves, or of adjoining items, except for adjustment, and without selection for fit and performance.

INTERCONNECTION

The linking together of interoperable systems.

INTERDIVISIONAL EFFORT

Effort performed, or support provided, by one division of a company in support of another division. Usually one division is considered the prime and the other the supporting division. As a course of good Business, the interdivisional support is usually provided on the basis of a documented agreement of the specific work transactions and Costs between the prime and supporting division.

INTERDIVISIONAL TRANSFERS

Material, products, or services sold or transferred between a prime contractor's divisions, subsidiaries or affiliates that are under a common Control. Interdivisional transfers may be "At Price", where the quoted price covers a standard catalog price item including profit, or "at Cost", where the price includes only the support division's cost less profit. See Interdivisional Effort.

INTEREST

The service charge for the use of money or Capital, paid at agreed intervals by the user, and commonly expressed as an annual percentage of principal.

INTEREST RATES

1) A dividend or return on an investment of money that a borrower pays a lender for the use of that money. 2) A rate of return, expressed as a percentage, that a corporation pays its bondholders for use of their money invested.

INTERFACE

The functional and Physical Characteristics required to exist at a common boundary or connection between persons or systems, or between persons and systems.

INTERFACE AND INTERPLAY

For Software, the interoperability and Compatibility of the Design constructs, couplings, and linkages incorporated in the developed application software with the operating system, command and job control languages, and the Commercial Off-The-Shelf and Nondevelopmental Item Hardware and software products.

INTERFACE CONTROL

The process which generates and administers technical agreements between two or more Design activities, when their products must assemble and/or function together. Interface Control consists of the technical effort to determine and agree upon the Interfaces and the administrative effort to control the agreements.

INTERFACE CONTROL WORKING GROUP (ICWG)

The forum used to reach Interface Control agreements.

INTERFACE MANAGEMENT

The Element of Program Management that plans, schedules, directs, and Controls the Interface activities between the prime contractor, the customer, and the program associated contractors.

INTERFERENCE TIME

A period of time during which one or more machines are not operating because the workman or workmen assigned to operate them are busy operating other machines in their assignment, or are performing necessary duties related to operating such other machines, such as making repairs, cleaning the machines, or inspecting completed work.

INTERIM CONTRACTOR SUPPORT

Temporary contractor support that allows the Government to Defer investment in all or part of the support resources (spares, Technical Data, support equipment, training equipment, etc.), while the organic Capability is being phased in.

INTERIM RELEASE

The Authorization given to a contractor to release to production or procurement certain end article support items prior to submission of a parts order by the Government.

INTERIM REPAIR PARTS

Repair parts furnished with the end article to insure support to the equipment end user between the initial receipt of the equipment and a point in time when the supply system can assume full support.

INTERMEDIATE (LEVEL) MAINTENANCE

Equipment maintenance/repair accomplished by a group on another organization's equipment at a site removed from the field or operating location, but not at a Depot.

INTERNAL AUDIT

The independent Appraisal activity within an organization responsible for the review of Accounting, financial, and related operations as a basis for protective and constructive services to management.

INTERNAL CONTROL

Internal review and internal checks established to: (a) safeguard property and funds; (b) check the accuracy, reliability and timeliness of Accounting data; (c) promote operational Efficiency; and, (d) ensure adherence to prescribed management policies and procedures.

INTERNAL COST TRANSFERS

An Accounting Element covering transfers and adjustments of actual recorded Costs from one Cost Account to another, when it is impractical to identify separately each individual cost item for the transfer.

INTERNAL OPERATING COST TARGET (IOCT)

Program management's Estimate of, or Target for, the Costs for a given Contract, project, or program. The IOCT may be lower, the same as, or higher than the contract Target Cost value.

INTERNAL REPLANNING

Replanning actions performed by the contractor for remaining effort within the recognized Total Allocated Budget.

INTEROPERABILITY

The ability of systems, units, or forces to provide services to, or accept services from, other systems, units, or forces, and to use the services so exchanged to operate effectively together.

INVENTORY

1) The amount of property on hand at any given time. 2) The act of Inspection to determine the physical existence of property.

INVENTORY ADJUSTMENTS

Bookkeeping corrections of stock records, required to bring book Inventory into agreement with physical inventory.

INVENTORY CONTROL

The phase of Integrated Logistic Support that includes the management, cataloging, requirements determination, procurement, distribution, overhaul, and Disposal of material.

INVENTORY CONTROL POINT (ICP)

The organizational Element within a Distribution System which is assigned responsibility for system-wide direction and Control of material, including such management functions as the computation of requirements, the initiation of procurement or Disposal actions, the development of world-wide quantitative and monetary Inventory data, and the positioning and repositioning of material.

INVENTORY OBJECTIVE

The quantity of an item of material that will satisfy the military requirement under specified Mobilization conditions. The Inventory objective is based on threat analysis, approved U.S. force projections, combat usage, mobilization training usage, and production capabilities. It does not include quantities required to replace those units consumed, lost, or worn out during peacetime periods, which are included in programmed procurement objectives.

INVESTMENT

1) Property acquired for future Income. 2) The sum of money or Capital employed for a given purpose, or in a given area, and yielding income or services. 3) A term used to describe the production portion of a program's Acquisition Life Cycle.

INVITATION FOR BIDS

A solicitation document used in sealed bidding.

ISSUE(S)

1) A point of discussion. 2) Something in dispute, or to be decided. 3) Any aspect of a system's Characteristics, either operational, technical, financial, or other, that must be questioned before the system's overall suitability can be known.

ISSUE PAPERS

DoD documents defining Issues raised during review of the Program Objective Memorandum.

ITEM

1) A single unit. 2) A non-specific term used to denote any product, including systems, materials, parts, subassemblies, sets, accessories, etc.

ITERATE

1) To repeat. 2) To do again for the purpose of expanding, understanding, refining, improving, indenturing, or updating current knowledge.

ITERATION

A repetitive requirement for something. Typical examples of iterations include numerous re-Drafts of a document, or reworking a Funding Profile to satisfy everyone involved. See Iterate.

ITERATIVE

Describing a procedure or process which repeatedly executes a series of operations until some condition if satisfied. An Iterative Process or procedure may be triggered or implemented by a loop in a routine.

ITERATIVE PROCESS

1) A series of computations in a repeating Cycle of operations designed to bring the results closer to the desired outcome with each repetition. 2) Sequential and repetitive top-down development of a topic by: (a) identifying those actions required to accomplish the objective; (b) allocating the requirements to the appropriate functions; (c) translating the requirements into solutions through system or Design engineering studies; (d) portraying the interdependence among the solution Elements; (e) researching and evaluating the alternate solutions and determining the most feasible solution; and, (f) analyzing the selected solutions to assess the impact on the requirements, design, and/or other solution elements.