IlitiesThe operational and support requirements a program must address (e.g., availability, vulnerability, producibility , reliability, maintainability…
IlluminationThe distribution of light on a horizontal surface. The purpose of all lighting is to produce illumination.
IMWithin or into muscle. Also called intramuscular.
imagery(IH-mij-ree) A technique in which the person focuses on positive images in his or her mind.
Imagery CorrelationThe mutual relationship between the different signatures on imagery from different types of sensors in terms of position and the physical characteristics…
Imagery Intelligence (IMINT)Intelligence derived from the exploitation of collection by visual photography, infrared sensors, lasers, electro-optics, and radar sensors (such as…
imaging(IH-muh-jing) In medicine, a process that makes pictures of areas inside the body.
IMC(1) Interagency Management Council (GSA term). (2) Internal Management Control.
Impact Point Prediction (IPP)Prediction of the point on the earths surface where a specific RV will impact, usually specified in terms of the circular error probable.
Implicit CoordinationMany independent battle managers (computers) use the same algorithms to derive a common calculated result.
Impulse(abbrev. IMPL) Alternate term for Upper Level System and Shortwave; a general term for any large-scale or mesoscale disturbance capable of producing…
Impulse Intensity (II)Mechanical impulse per unit area. The System Internationale unit of impulse intensity is the Pascal-second (abbreviated Pa-s).
Impulse KillThe destruction of a target, using directed energy, by ablative shock. The intensity of directed energy may be so great that the surface of the target…
In-Flight Target UpdateA data report, which contains updated, predict- ahead target position, time, and velocity for interceptor weapons to use in making midcourse correction.
In-Flight Target Update (FTU)A report to in-flight interceptor weapons. The IFTU provides updated, predictahead target position, time, and velocity for use within the interceptors…
In-Flight Target Update (IFTU)A report to in-flight interceptor weapons. The IFTU provides updated, predict-ahead target position, time, and velocity for use within the interceptors…
In-LineAn operational, not dormant, component, equipment or element of a weapons system which is participating in accompliching the systems directed assignment…
In-Process Review (IPR)Review of a project or program at critical points to evaluate status and make recommendations to the decision authority; also called Interim Program…
InclinationThe inclination of an orbit is the (dihedral) angle between the plane containing the orbit and the plane containing the earths equator.
Incremental FundingThe provision (or recording) of budgetary resources for a program or project based on obligations estimated to be incurred within a fiscal year when such…
Independent Cost AnalysisAn analysis of program cost estimates conducted by an impartial body disassociated from the management of the program.
Independent Cost Estimate (ICE)A cost estimate prepared by an impartial body outside the chain of authority responsible for acquiring or using the goods or services.
Independent Evaluation Report (IER)Documents the independent evaluation of the system and is based on test data, reports, studies, and simulations.
Independent Research and Development (IR&D)Effort by industry that is not sponsored by, or required in performance of, a contract and which consists of projects falling within the areas of basic…
Independent Verification and Validation (IV&V)Verification and validation performed by a contractor or Government agency that is not responsible for developing the product or performing the activity…
Individual Acceptance TestA test of predetermined critical items to verify their operational characteristics prior to assembly into subsystems.
Induced EnvironmentsInduced environments are defined at the system level as the disturbances in the natural environments caused by BMD system influences on other BMD assets…
Induced RadioactivityRadioactivity that is created by bombarding a substance with neutrons in a reactor or with charged particles produced by particle accelerators.
Industrial Resource Analysis (IRA)A quick-turnaround or a detailed analysis of industrial and/or specific factory capabilities to determine the availability of production resources…
Inertial GuidanceA guidance system designed to project a missile over a predetermined path, wherein the path of the missile is adjusted after launching by devices wholly…
Inertial Measurement Unit (IMU)A guidance mechanism designed to project a missile over a predetermined path, wherein the path of the missile is adjusted after launching by devices…
INEWSIntegrated Electronic Warfare System (Navy term).
INFIntermediate-range Nuclear Force (Treaty term). Also the name of U.S./USSR Treaty.
Information Architecture (IA)A description of the information that is needed to support command and control decision making and battle management, where it comes from, the processing…
Information Resources ManagementThe planning, budgeting, organizing, directing, training, promoting, controlling, and management activities associated with the burden, collection…
Information Security (INFOSEC)Those measures and administrative procedures for identifying, controlling, and protecting against unauthorized disclosure of classified information or…
Infrared (IR)Electromagnetic radiations of wavelength between the longest visible red (7,000 Angstroms or 7 x 10E4 millimeter) and about 1 millimeter.
Infrared (IR) Electro-OpticsTechnologies/techniques employed by optical sensors in the wavelength spectrum slightly longer than visible but shorter than radio. 139
Infrared ImageryThat imagery produced as a result of sensing electromagnetic radiations emitted or reflected from a given target surface in the infrared position of the…
Infrared SensorA sensor designed to detect the electromagnetic radiation in the wavelength region of 1 to 40 microns.
Initial Operational Capability (IOC)The first attainment of the capability to employ effectively a weapon, item of equipment, or system of approved specific characteristics, and which is…
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…
INMARATInternational Maritime Satellite (a UHF communications satellite).
INMARSATInternational Maritime Satellite (a UHF communications satellite).
Integrated Contracting Report (ICR)A quarterly report of BMD contracts, which define the roles, relationships, and interfaces among contracts, contractors, and programs, and provides a…
Integrated Fire Control SystemA system, which performs the functions of target acquisition, tracking, data computation, and engagement control, primarily using electronic means…
Integrated Logistics Support (ILS)(1) A disciplined, unified, and iterative approach to the management and technical activities necessary to integrate support considerations into system…
Integrated Logistics Support (ILS) ElementsMaintenance Planning. The process conducted to evolve and establish maintenance concepts and requirements for the lifetime of a materiel system.
Integrated Logistics Support Plan (ILSP)The formal planning document for logistics support. It is kept current through the program life and sets forth the plan for operational support, provides…
Integrated Priority ListA list of a combatant commanders highest priority requirements, prioritized across Service and functional lines.
Integrated Program Assessment (IPA)A document prepared by the supporting staff or review forum of the milestone decision authority to support Milestone I, II, III, and IV reviews.
Integrated Program Summary (IPS)A DoD Component document prepared and submitted to the milestone decision authority in support of Milestone I, II, III, and IV reviews.
Integrated WarfareThe conduct of a military operation in any combat environment wherein opposing forces employ non-conventional weapons in combination with conventional…
IntegrationThe recombination process which inserts a small DNA molecule (usually by homologous recombination) into a larger one.
Intelligence(1) The product, resulting from the collection, evaluation, analysis, integration and interpretation of all available information concerning foreign…
Intelligence IndicatorsClassified or unclassified actions or information obtainable by an adversary that, when properly interpreted, can provide information about friendly…
Intelligence Operations Center (IOC)An organization term for all intelligence activities in Cheyenne Mountain AFB. The IOC includes the Consolidated Intelligence Watch (CIW), Operational…
Intelligence Preparation of the BattlespaceAn analytical methodology employed to reduce uncertainties concerning the enemy, environment, and terrain for all types of operations.
Intelligence Report (INTREP)A specific report of information usually on a single item made at any level of command in tactical operations and disseminated as rapidly as possible in…