Boost Defense Segment (BDS)The portion of the BMDS that defeats ballistic missiles in the period of flight prior to the termination of powered flight.
Boost PhaseThe first phase of a ballistic missile trajectory during which it is being powered by its engines.
Boost Segment DefenseThe first phase of a ballistic missile trajectory during which it is being powered by its engines.
Boost Surveillance and Tracking System (BSTS)OBSOLETE. An Air Force sensor system in high earth orbit used for early warning, tracking of ballistic missiles, and attack assessment.
BoosterIn medicine, refers to a vaccination given after a previous vaccination. A booster helps maintain or increase a protective immune response.
Bottom-Up Review (BUR)A comprehensive review, initiated in March 1993, of the nations defense strategy, force structure, modernization, infrastructure, and foundations.
Breadboard ConfigurationAn experimental device (or group of devices) used to determine feasibility and to develop technical data.
Break-Up(1) In detection by radar, the separation of one solid return into a number of individual returns which correspond to the various objects or structure…
BreakoutStock prices fluctuate constantly, but each stock typically moves within a fairly narrow range.
BrightnessA basic visual sensation describing the amount of light that appears to emanate from an object, or more precisely, the luminance of an object
Brilliant Eyes (BE)OBSOLETE Successor to Space-Based Surveillance and Tracking System (SSTS). BE is also known as the Space and Missile Tracking System (SMTS), and is now…
Brilliant Eyes Probe (BEP)OBSOLETE. The BE Probe is a concept for a ground launched probe version of the BE space-based satellite, analogous to the obsolete GSTS, that would…
Brilliant Pebbles (BP)OBSOLETE. Proliferated singlet space-based weapon with autonomous capability. (Now a subset of the Air Forces Advanced Interceptor Technologies (AIT)…
Broad Concept of Operations (BCO)An approved USSPACECOM planning concept for a complete SDS. It is a toplevel concept that is detailed in specific Phase Concepts of Operations.
BTSBaseline Target Set. An MDA-approved listing and description of ballistic missile targets, which have been (or are being) developed to meet a variety of…
Budget Activity(1) A budget activity is a major subdivision of a budget appropriation, generally in mission areas.
Budget AuthorityAuthority provided by law to enter into obligations that will result in outlays of Federal funds.
Budget EstimateCost estimate prepared for inclusion in the DoD budget to support an acquisition program.
Budget Estimate Submit (BES)The service submissions to OSD showing budget requirements for inclusion in the DoD budget.
Built-in Test Equipment (BITE)Any device permanently mounted in the prime equipment and used for the express purpose of testing the prime equipment, either independently or in…
Bulk FilterThe signal processing rejection of detected signals as not being related to objects of interest.
BurdenIn blasting, the distance between the free face and the first row of holes or the distance between rows of holes parallel to the face.
Burn RateThe monthly rate at which a contractors funds are expended during the period of the contract.
Burn-Through RangeThe distance at which specific radar can discern targets through the external interference being received.
BurnoutThe point in time or in the missile trajectory when combustion of fuels in the rocket engine is terminated by other than programmed cutoff.
BusA parallel circuit that connects the major components of a computer, allowing the transfer of electric impulses from one connected component to any other.
Bus Deployment PhaseThat portion of a missile flight during which multiple warheads are deployed on different paths to different targets (also referred to as the post-boost…