FEAFederal Enterprise Architecture -- see Federal Enterprise Architecture for more
Feasibility StudyA study of the applicability or desirability of any management or procedural system from the standpoint of advantages versus disadvantages in any given…
Federal Acquisition RegulationThe primary regulation for use by federal executive agencies for acquisition of supplies and services with appropriated funds.
Field of View (FOV)The angular measure of the volume of space within which the system can respond to the presence of a target.
Fighting Mirror (FMIR)Part of the GBL System. The low orbit mirror, which receives laser energy and reflects it to the target.
Figure of Merit (FOM)The numerical value assigned to a measure of effectiveness, parameters, or other figure, as a result of an analysis, synthesis, or estimating technique.
FIPSFederal Information Processing Standards issued by the National Institute of Standards and Technology after approval by the Secretary of Commerce pursuant…
FIPSPUBSFederal Information Processing Standards Publication.
Fire ControlThe control of all operations in connection with the application of fire on a target.
Fire Control SystemA group of interrelated fire control equipment and/or instruments designed for use with a weapon or group of weapons.
Fire Support Coordinating Line (FSCL)A line established by the appropriate ground commander to ensure the coordination of fire not under the commanders control but may affect current tactical…
Fire Support Coordinating MeasureA measure employed by land or amphibious commanders to facilitate the rapid engagement of targets and simultaneously safeguard friendly forces.
Firing DoctrineThe ratio and manner of assigning numbers of interceptors against given attackers. One-on-one, salvo, shoot-look-shoot, shoot-fail-shoot, etc.
Firing RateThe amount of BTUs/hour or kWs produced by a heating system from the burning of a fuel.
FIRMRFederal Information Resources Management Regulation.
FIRSTForum of Incident Response and Security Teams.
First ArticleFirst article includes pre-production models, initial production samples, test samples, first lots, pilot models, and pilot lots.
First StrikeThe first offensive action of a war (generally associated with nuclear operations).
First Unit Equipped DateThe scheduled date an end item and its support elements are issued to the initial operational capability unit and training in the new equipment training…
Fiscal GuidanceThe annual guidance issued by the SECDEF in the Defense Guidance which provides the fiscal constraints that must be observed by the DoD Components in the…
FIX SiteFiring-in-Extension (Target Launch site in White Sands Missile Range Northern Extension).
Fixed CostsCosts that do not vary with the volume of business, such as property taxes, insurance, depreciation, security, and minimum water and utility fees.
Fixed Ground Entry Point (FGEP)The subset of GEPs, which are not transportable. GEPs provide the communications interfaces between the SDS space orbital/sub-orbital elements and the C2E.
Fixed Ground StationAll hardware, software, and facilities located at a fixed ground site necessary to receive, process, support, and analyze mission status and data, and…
FLAGEOBSOLETE. Flexible Lightweight Agile Guided Experiment. (Predecessor program to Extended Range Interceptor (ERINT).)
Flexible ResponseThe capability of military forces for effective reaction to any enemy threat or attack with actions appropriate and adaptable to the circumstances…
Flight PathThe line connecting the successive positions occupied, or to be occupied, by an aircraft, missile, or space vehicle as it moves through air or space.
Flight Readiness FiringA missile system test of short duration conducted with the propulsion system operating while the missile is secured to the launcher.
Flight TestTest of an aircraft, rocket, missile, or other vehicle by actual flight or launching.
Flight Test Vehicle (FTV)Prototype of airborne or spaceborne hardware used to validate a technology concept.
Fluence (or Integrated Flux)The product (or integral) of particle (neutron or photon) flux and time, expressed in units of particles per square centimeter.
Flyaway CostThe total cost related to the production of a usable end item of military hardware.
Focal PlaneThe plane, perpendicular to the optical axis of the lens, in which images of points in the object field of the lens are focused.
Focal Plane Array (FPA)An FPA is a matrix of photon sensitive detectors which, when combined with low noise preamplifiers, provides image data for the signal frequencies of…
FogFine particles of liquid suspended in the air, such as of water in a fog chamber used for acclimatizing recent ex vitro transplants. See: mist propagation.
FOIAFreedom of Information Act -- see Electronic Freedom of Information Act for more