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Acronyms
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| b | BIT |
| B&I | Business and Industrial Loan Program |
| B&P | Bid and Proposal |
| B&P | Block Parity |
| B-HLI | Broadband High Layer Information |
| B-ISDN | Broadband Integrated Services Digital Network |
| B-ISUP | Broadband ISDN User Part |
| B-LII | Broadband Lower Layer Information |
| B-NT | Broadband Network Termination |
| B-PISN | Broadband Private Integrated Services Network |
| B-PON | Broadband Passive Optical Network |
| B-UNI | Broadband User Network Interface |
| B-VOP | Bidirectional Video Object Planes |
| B/U | Back Up |
| B2B | Business to Business |
| B2C | Business to Consumer |
| B2D | Business to Distributor |
| B2E | Business to Employee |
| B2G | Business to Government |
| B2P | Business to Person |
| B3 | level of security assurance |
| B717 | Boeing Model 717 Aircraft (formerly the MD-95) |
| B737 | Boeing Model 737 Aircraft |
| B747 | Boeing Model 747 Aircraft |
| B767 | Boeing Model 767 Aircraft |
| B767ER | Boeing Model 767 Extended Range Aircraft |
| B777 | Boeing Model 777 Aircraft |
| B7x7 | Boeing Model 7x7 Aircraft |
| BA | British Airways |
| BA | Basic Access |
| BA | Basic Allowances |
| BA | Battlefield Awareness |
| BA | Budget Activity |
| BA | Business Administration |
| BA01 | Budget Activity 01 - Basic Research |
| BA02 | Budget Activity 02 - Exploratory Development |
| BA03 | Budget Activity 03 - Advance Technology Development |
| BA04 | Budget Activity 04 - Demonstration/Validation |
| BA05 | Budget Activity 05 - Engineering and Manufacturing Development |
| BA06 | Budget Activity 06 - Management Support |
| BA07 | Budget Activity 07 - Operational Systems Development |
| BAA | Bomber Alert Area |
| BAA | British Astronomical Association |
| BAA | Broad Agency Announcement |
| BAA | Broad Area Announcement |
| BAAARS | Base Access Area Automated Reporting System |
| BAAMC | Basic Army Aviation Medicine Course |
| BAAS | Battalion Anti-Armor System |
| BAC | Blood Alcohol ContentÊ |
| BAC | Budget At Completion |
| BAC | Budgeted Activity Code |
| BAC | Budgeted Cost at Completion |
| BACAT | Barge Aboard Catamaran |
| BADD | Battlefield Awareness and Data Dissemination |
| BAE | Battlefield Area Evaluation |
| BAE | Brigade Aviation Element |
| BAe | British Aerospace |
| BAFO | Best And Final Offer |
| BAI | Battlefield Air Interdiction |
| BAK | BAcKup (.bak file extension) |
| BALT | Barometric Altitude |
| BALTAP | Baltic Approaches |
| BALUN | Balanced/Unbalanced |
| BAM | Business Activity Monitoring |
| BAM | Business Administration Manager |
| BAM | Business Associate Messaging |
| BAN | Base Area Network (Air Force) |
| BAN | Battlespace Area Network |
| Bandwidth | The difference between the highest and lowest frequency components of a signal. |
| BAP | Bank Angle Protection |
| BAP | Business Application Program |
| BAPI | Business Application Program Interface |
| BAR | Bimonthly Activity Report |
| BARCAP | Barrier Combat Air Patrol |
| BARO | Barometric |
| Baro – Corrected Altitude | Pressure altitude-corrected local barometric pressure. |
| BAROPS | Barrier Operations |
| BAS | Battlefield Automated System(s) |
| BAS | Bit-rate Allocation Signal |
| BASEWAM | Battlefield Surveillance Electronic Warfare Analysis Model |
| BASIC | Beginners All purpose Symbolic Instruction Code (programming language) |
| BASOPS | Base Operating Information System |
| BASS | Barrier Ammunition Storage Site |
| BASS | Base Automated Support System |
| BAT | Battery |
| BAT | Battlemap Analysis Tool |
| BATT | Battery |
| BATTS | Basic Air Tactics Trainer |
| BAU | Base Audio Package |
| BAU | Business As Usual |
| BB | Bandwidth Broker |
| BB | Base Bleed |
| BB | Battleship |
| BB | Broadband |
| BB or B/B | Brass Board |
| BB-RAS | Broadband Remote Access Server |
| BBA | Basic Build Analysis |
| BBC | Backup Bus Controller |
| BBD | Bucket Brigade Device |
| BBDF | Bulk Billing Data Files |
| BBE | Background Block Error |
| BBEdit | Bare Bones Editor |
| BBER | Background Block Error Ratio |
| BBLS | Barrels |
| BBLS/CBBLS | Barrels/Hundreds of Barrels |
| BBN | Broad |
| BBN | Bulk Billing Number |
| BBS | Brigade/Battalion Simulation |
| BBS | Bulletin |
| BBS | Bulletin Board Service |
| BBS | Bulletin Board System |
| BBT | Bit Block Transfer |
| BBU | Battery Backup Unit |
| BC | Basic Call |
| BC | Bearer Channel |
| BC | Before Christ |
| BC | Bus Controller |
| BC2 | Battle Force Command and Control |
| BC2 | Battlespace Command and Control |
| BC2A | Bosnia Command and Control Augmentation |
| BCA | Benefit/Cost Analysis |
| BCA | Board of Contract Appeal |
| BCA | Border Crossing Authority |
| BCA | Broadcast Control Authority |
| BCA | Buoyant Cable Antenna |
| BCAG | Boeing Commercial Airplane Group |
| BCAS | Battle Management and C3 Architecture Simulator |
| BCBL | Battle Command |
| BCBL | Battle Command Battle Laboratory |
| BCBL | Battle Command Battle Library |
| BCBL-H | Battle Command Battle Library-Huachuca |
| BCC | Base Communication Center |
| BCC | Base Communications Center |
| BCC | Base Computer Center |
| BCC | Basic Control Channel |
| BCC | Blind Carbon Copy |
| BCC | Block Check Character |
| BCC | Block Check Count |
| BCC | Block Check-Sum Character |
| BCC | Budget Classification Code |
| BCCA | Board Committee on Conformity Assessment |
| BCCD | Buried Channel Charge-coupled Device |
| BCCS | Battlefield Command and Control System |
| BCD | Binary Coded Decimal. A coding system in which each digit from 0 to 9 is represented by a four bit binary number. |
| BCD | Baseline Concept Description |
| BCD | Binary Coded Decimal |
| BCD | Broadband Content Delivery |
| BCDF | Broadband Content Delivery Forum |
| BCE | Baseline Cost Estimate |
| BCE | Battlefield Coordination Element |
| BCF | Backward Control Field |
| BCF | Bearer Control Function |
| BCF | Budget Control Figure |
| BCH | Bose, Chaudhuri, and Hocquengham |
| BCI | Bureau of Criminal Investigation |
| BCID | Battlefield Combat Identification |
| BCIS | Battlefield Combat Identification System |
| BCIXS | Battlecube Information Exchange System |
| BCL | Binary Cutter Location |
| BCM | Back Channel Message |
| BCM | Baseline Correlation Matrix |
| BCM | Baseline Correlation Matrix (AF) |
| BCM | Beyond Capability of Maintenance |
| BCN | Beacon |
| BCNF | Boyce-Codd Normal Form |
| BCO | Base Central Office |
| BCOM | Battalion Combat Outcome Model |
| BCP | Best Commercial Practices |
| BCP | Bridge Control Protocol |
| BCP | Budget Change Proposal |
| BCPL | Basic Combined Programming Language |
| BCR | Benefits Cost Ratio |
| BCRS | Back Course |
| BCS | Block Check Sequence. BCS is a cyclic code that is used as reference bits in an error detection process. |
| BCS | Ballistic Computer System |
| BCS | Baseline Comparison System |
| BCS | Battery Computer System |
| BCS | Bench Check Serviceable |
| BCS | Binary Synchronous Communication |
| BCS | Boeing Computer Services |
| BCS | British Computer Society |
| BCSR | Basic Commercial Security Requirements |
| BCT | BiCMos Technology |
| BCU | Buffer and Conversion Unit |
| BCV | Battle Command Vehicle |
| BCWP | Budgeted Cost of Work Performed |
| BCWS | Budgeted Cost of Work Scheduled |
| BD | Baseline Description |
| BDA | Battle Damage Assessment |
| BDA | Bomb Damage Assessment |
| BDA | Business Domain Architecture |
| BDAM | Basic Direct Access Method |
| BDAT | Binary Data |
| BDATWAY | Binary Data path |
| BDBXML | Berkeley Database engine Extensible Markup Language |
| BDC | Backup Domain Controller |
| BDD | Binary Decision Diagrams |
| BDE | Brigade |
| BDF | Business Design Facility |
| BDI | Bearing Distance Indicator |
| BDK | Business Development Kit |
| BDMS | Baseline Data Base Management System |
| BDOS | Basic Disk Operating System |
| BDP | Baseline Data Package |
| BDPI | Baseline Data Package Integration |
| BDR | Battle Damage Repair |
| BDS | Comm-B Designation Subfield |
| BDS | Battlefield Data System |
| BDS | Battlefield Distributed Simulation |
| BDS | Biohazard Detection System |
| BDS | Blank Detail Specification |
| BDS-D | Battlefield Distributed Simulation-Developmental |
| BDT | Builder's Dock Trial |
| BDTS | Bulk Data Transfer System |
| BDU | Battle Dress Uniform |
| BDU | Battle-Dress Uniform |
| BDU | Bomb Dummy Unit |
| BDZ | Base Defense Zone |
| BDZ | Buffer Demodulator Zero |
| BE | Base Ejection |
| BE | Border Element |
| BE | Build Environment |
| BEA | Budget Estimate Agreement |
| Beam Width | The beam width is the width of the beam as measured at the half-power points of the radiated signal (WXR). |
| Bearing | The direction of a point or navigational aid measured clockwise from a reference through 360°. |
| Bearing Magnetic North | The direction north as determined by the earth’s magnetic field. The reference direction for measurement of magnetic directions. |
| BECN | Backward Error Correction Notification |
| BEDD | Best Estimated Delivery Dates |
| BEDO | Burst Extended Data Out |
| BEES | Battlefield Environmental Effects Software |
| BELCOR | Bell Communications Research |
| Bellcore | Bell Communications Research (formerly Bell Telephone Laboratories) |
| BEM | Big Emerging Markets |
| BER | Bite Error Rate |
| BER | Basic Encoding Rules |
| BER | Basic Error Rate |
| BER | Beyond Economical Repair |
| BER | Bit Error Rate |
| BER | Budget Execution Review |
| BERT | Bit Error Rate Test |
| BERT | Bit Error Rate Tester |
| BES | Back-End Services |
| BES | Background Environment Simulator |
| BES | Budget Estimate Submission |
| BES | Budget Execution System |
| BESEP | Base Electronic Systems Engineering Plan |
| BEST | Back-End Service Transaction |
| BEST | Base Engineering Support, Technical |
| BEST | Bids Evaluation Support Tool |
| BETA | Battlefield Exploitation and Target Acquisition |
| beta | Consumer’s Risk |
| BEWSS | Battlefield Environment Weapon System Simulation |
| BEX | Budget Execution |
| BF | Battle Force |
| BF | Blade Fold |
| BF | Bypass Filter |
| BF/WS | Blade Fold/Wing Stow |
| BFA | Battlefield Function |
| BFA | Battlefield Functional Area |
| BFC2 | Battle Force Command and Control |
| BFCU | Blade Fold Control Unit |
| BFE | Buyer Furnished Equipment |
| BFI | Bad Frame Indicator |
| BFI | Bulk Fuel Installation |
| BFIT | Battle Force Inport Trainer |
| BFM | Battlefield Forecast Model |
| BFM | Best and Final Offer |
| BFN | Beam Forming Network |
| BFO | Beat Frequency Oscillator. An oscillator that produces a signal to be mixed with the received frequency to produce an audible beat note, for the purpose of decoding the Morse code identifier of an NDB. The oscillator produces frequencies equal to the sum and difference of the combined frequencies. |
| BFO | Beat Frequency Oscillator |
| BFOC | Bayonet Fiber Optic Connector |
| BFPO | British Forces Post Office |
| BFRL | Basic Facilities Requirements List |
| BFSK | Binary Frequency Shift Keying |
| BFT | Binary File Transfer |
| BFTT | Battle Force Tactical Trainer |
| BFTT | Battle Force Tactical Training |
| BG | Battle Group |
| BG | Border Gateway |
| BGC | Boat Group Commander |
| BGEM | Battle Group Effectiveness Model |
| BGI | Bus Grant Inhibit. A term used in CAPS transfer bus processing. |
| BGIE | Battle Group In-port Exercise |
| BGL | Bomb Laser Guided |
| BGLC | Battle Group Logistics Coordinator |
| BGM | Battle Group Manager |
| BGP | Border Gateway Protocol |
| BGPE | Battle Group Project Engineer |
| BGPHES | Battle Group Passive Horizon Extension System |
| BGPHES-ST | Battle Group Passive Horizon Extension System-Surface Terminal |
| BGPO | Battle Group Project Officer |
| BH | Busy Hour |
| BI | Burn-in |
| BI | Battlespace Infosphere |
| BI | Briefing to Industry |
| BI | Business Intelligence |
| BIA | Battlefield Information Architecture |
| BIA | Bureau of Indian Affairs |
| BIC | Battlefield Integration Center |
| BIC | Bus Interface Controller |
| BICC | Battlefield Information Coordination Center |
| BICES | Battlefield Information Collection and Exploitation System |
| BICES | Battlefield Information Collection and Exploitation System (NATO) |
| BICI | Broadband Inter Carrier Interface |
| BICM | Battlefield Intelligence Collection Model |
| BICmd | Blount Island Command |
| BICMOS | Bipolar CMOS |
| BID | Built-In Diagnostics |
| BIDS | Broadband Interactive Data Solution |
| BIDS | Broadband Internet Delivery System |
| BIE | Business Information Entity |
| BIFET | Bipolar MOS |
| BiFET | Bipolar Field Effect Transistor |
| BIFF | Battlefield Identification Friend or Foe |
| BIG | Business Interest Group |
| BIM | Business and Information Modeling |
| BIMOS | Bipolar/Metal Oxide Semiconductor |
| BIMS | Battlefield Information Management System |
| Binary | Base-2 counting system. Numbers include 0,1. |
| BIND | Berkeley Internet Name Domain server |
| BINS | Bundled Information Notification System |
| BINTERMS | Basic Interoperability for Terminals for Telematic Services |
| BIOC | Basic Identity Object Class |
| BIOS | Basic Input Output System |
| BIP | Basic Interface for Parallelism |
| BIPS | Billion Instructions Per Second |
| BIQ | Business Intelligence Quotient |
| BIRS | Battlefield Information Reporting System |
| BIS | Battlefield Information System |
| BIS | Battlespace Information System |
| BIS | Brought Into Service |
| BIS | Built In Simulation |
| BISDN | Binary Integrated Services Digital Network |
| BISDN | Broadband Integrated Services Digital Network |
| BISE | Balkans Intelligence Support Element |
| BISS | Basic Interoperable Scrambling System |
| BISS-E | Encrypted Basic Interoperable Scrambling System |
| BISSI | Broadband Inter Switching System Interface |
| BIST | Built-in Self Test |
| BIST | Built In Self Test |
| BISYNC | Binary Synchronous Communications (IBM protocol) |
| Bit | A binary digit. Smallest data unit in a microprocessor system. |
| BIT | Built-In-Test |
| BIT | BInary digiT |
| BIT | Base Item Types |
| BIT | Broadband Infrastructure Technology (DARPA) |
| BIT | Built In Test |
| BIT | Built-In Test |
| BIT | Business Implementation Time |
| BITB | Boulder Industry Test Bed |
| BITE | Built-In Test Equipment |
| BITE | Built In Test Equipment |
| BITS | Banking Industry Technology Secretariat, responsible for FSSL |
| BITS | Base Information Transfer System |
| BIU | Baseband Interface Unit |
| BIU | Basic Information Unit |
| BIU | Bus Interface Unit |
| BIW | Business Information Warehouse, SAP |
| BJT | Bipolar Junction Transistor |
| BL | Battle Laboratories |
| BL | Butt Line |
| BL&P | Blind Load and Plug |
| BLADE-GT | Blade Life Analysis and Design Evaluation for Gas Turbines |
| BLADES | Base-Level AUTODIN DDN Exchange System |
| BLC | Base Level Computing |
| BLCI | Base Level Communication Infrastructure |
| BLD | Blade |
| BLDM | Battalion Level Differential Model |
| BLER | Block Error Rate |
| BLER | Block Error Rates |
| BLERT | Block Error Rate Test |
| BLES | Broadband Loop Emulation Service |
| BLII | Base Level Information Infrastructure |
| BLING | Bladed ring |
| BLISK | Bladed disk |
| BLK | Block |
| BLK | Black |
| BLKFLT | Black Sea Fleet |
| BLM | Bureau of Land Management |
| BLOB | Binary Large OBject |
| BLOBS | Binary Large Objects |
| BLOS | Beyond Line Of Sight |
| BLPC | British Library Public Catalogue |
| BLRIP | Beyond Low Rate Initial Production |
| BLRSI | Battle Lab Reconfigurable Simulator Initiative |
| BLRSIM | Battle Lab Reconfigurable Simulator |
| BLS | Beach Landing Site |
| BLS | Bureau of Labor Statistics |
| BLSM | Base Level System Modernization |
| BLSM | Base-Level Systems Modernization (USAF) |
| BLT | Battalion Landing Team |
| BLT | Billing, Logistics, and Tracking |
| BLU | Basic Link Unit |
| BM | Ballistic Missile |
| BM | Battle Management |
| BM | Battlefield Maintenance |
| BM | Battlespace Management |
| BM | Bus Mastering |
| BMC | Battle Management Center |
| BMC2 | Battle Management Command and Control |
| BMC3 | Battle Management, Command, Control, and Communications |
| BMC3I | Battle Management Command, Control, Communications and Intelligence |
| BMD | Ballistic Missile Defense |
| BMDES | Ballistic Missile Defense Engagement Simulation |
| BMDO | Ballistic Missile Defense Organization |
| BMDOA | Ballistic Missile Defense Options Assessment |
| BMEWS | Ballistic Missile Early Warning System |
| BMH | Base Message Host |
| BMIC | Battle Management Integration Center |
| BML | Bean Markup Language |
| BML | Business Management Layer |
| BMM | Broadcast-Based Multimedia |
| BMN | Brigade Multi-National |
| BMO | Ballistic Missile Office |
| BMO | Battle Management Organization |
| BMP | Battle Management Processor |
| BMP | Best Manufacturing Practices |
| BMP | Bit MaP (.bmp file extension) |
| BMS | Battlefield Management System |
| BMS | Broadcast Message Server |
| BMT | Ballistic Missile Technology |
| BMTA | Backbone Message Transfer Agent |
| BMU | Beach Master Unit |
| BMV | Brake Metering Valve |
| BN | Battalion |
| BNC | Bayonet Nut Coupler |
| BNC ID | Backbone Network Connection Identifier |
| BNCC | Base Network Control Center |
| BNeD | Broadband Network Design |
| BNF | Backus-Naur Form |
| BNR | Binary |
| BNT | Binary File Transfer |
| BNTF | Bi-National Task Force |
| BNTG | Bi-National Task Group |
| BNWG | Bi-National Working Group |
| BO | Back Office |
| BO | Boarding Officer |
| BO | Branch Office |
| BO | Break Off |
| BO | Business Office |
| BOA | Basic Ordering Agreement |
| BOA | Blanket Ordering Agreement |
| BOA | Board of Auditors |
| BOA | Business Online Access |
| BOB | Business ObjectBroker |
| BOC | Battalion Operations Center |
| BOC | Bell Operating Company |
| BOCC | Backward Optimistic-oriented Concurrency Control |
| BOCCA | Bureau of Coordination for Civil Aviation |
| BOD | Bandwidth on Demand |
| BOD | Basic Operational Data |
| BOD | Basis of Design |
| BOD | Battery Operated Device |
| BOD | Beginning of Data |
| BOD | Beneficial Occupancy Date |
| BOD | Bid Opening Date |
| BOD | Board Of Directors |
| BOD | Business Object Document |
| BODESIM | Barrier/Obstacle Deployment and Effectiveness Simulation |
| BOE | Basis Of Estimate |
| BOF | Birds of a Feather |
| BOG | Beach Operations Group |
| BOI | Business Object Interface |
| BOIP | Basis of Issue Plan |
| BOM | Bill of Material |
| BOM | Beginning Of Media |
| BOM | Beginning Of Message |
| BOMBREP | Bombing Report |
| BONDING | Bandwidth On Demand Interest Group |
| BOOTP | BOOT Protocol, networking standard, |
| BOP | Bit Oriented Protocol |
| BOR | Business Object Repository |
| Boresighting | The process of aligning a directional antenna system. |
| BOS | Base Operating Support |
| BOS | Basic Operating System |
| BOS | Battlefield Operating System |
| BOS | Business Object Summit |
| BOS | Business Operating System |
| BOSC | Base Operating Support Contract |
| BOSC | Base Operating Support Cost |
| BOSG | Base Operations Support Group |
| BOSM | Balance of Sustainment Model |
| BOSN | Battle Oceanographic Surveillance Network |
| BOSS | Ballistic Offensive Suppression System |
| BOSS | Binary Object Storage System |
| BOT | Basic Officer Training |
| BOT | Beginning of Tape |
| BOV | Board of Visitors |
| BP | BITE Processor |
| BP | Bottom Plug |
| BP | Battle Position |
| BP | Block Parity |
| BP | Boundary Point |
| BP | Break-up Point |
| BP | Build Plan |
| BPA | Battlefield Psychological Activities |
| BPA | Blanket Purchasing Agreement |
| BPAC | Budget Program Activity Code |
| BPC | Best Practices Clearinghouse |
| BPCH | Best Practices Clearinghouse |
| BPCU | Bus Power Control Unit |
| BPE | Business Process Engineering |
| BPEL | Business Process Execution Language |
| BPEL4WS | Business Process Execution Language for Web Services |
| BPG | Baseline Process Guide |
| BPG | Beach Party Group |
| BPI | Bits Per Inch |
| BPI | Business Partner Integration |
| BPI+ | Baseline Privacy Interface Plus |
| BPL | Basic Priority List |
| BPL | Broadband over Power Line |
| BPM | Business Program Manager |
| BPMN | Business Process Modeling Notation |
| BPP | Bits Per Pixel |
| BPPBS | Biennial Planning, Programming, and Budgeting System |
| BPR | Business Process Reengineering |
| BPR | Buyer Performance Report |
| BPR | Bypass Ratio |
| BPS | Battlefield Planning System |
| BPS | Bits Per Second |
| BPS | Business Process Subcommittee |
| Bps | Bytes per second |
| BPSK | Binary Phase Shift Keying |
| BPSK | Binary Phase-Shift Keying |
| BPSS | ebXMLBusiness Process Specification Schema, now eB-BPS |
| BPT | Be Prepared To |
| BPT | Beach Party Team |
| BPTC | Block-Product-Turbo-Codes |
| BPX | Battle Plan Execution |
| BR | Biological and Radiological |
| BR | Budget Report |
| BR | Buffer Register |
| BRA | Basic Rate Access |
| BRA | Basic Research Area |
| BRAC | Base Realignment and Closure |
| BRACE | Base Resource and Capability Estimator |
| BRAM | Broadcast Recognition Access Method |
| BRAN | Broadband Radio Access Networks |
| BRAP | Broadcast Recognition with Alternating Priorities |
| BRAS | Broadband Remote Access Server |
| BRASS | Broadcast and Ship to Shore |
| BRD | Biomedical Research Database |
| BRDC | Biotechnology Research and Development Corporation |
| BRG | Bearing |
| BRHR | Basic Research and Human Resources |
| BRI | Basic Rate Interface |
| BRICKBAT | Top Priority Program |
| BRIDGESIM | Bridge Simulator |
| BRISC | Bi-polar/BiCMOS reduced instruction set computer |
| BRITE | Basic Rate Interface Transmission Extension (ISDN) |
| BRITE | Basic Research in Industrial Technologies for Europe |
| BRK | Brake |
| BRM | Bit Repetition Message |
| BRM | Business Process Redesign Methodology |
| BRP | Basic Research Plan |
| BRQ | Bandwidth Request |
| BRS | Business Recovery Services |
| BRT | Brightness |
| BRT | Bright |
| BRW | Business Report Writer |
| BS | Bachelor of Science |
| BS | Backing Store |
| BS | Base Station |
| BS | Battle Staff |
| BS | Bi-Synchronous |
| BS | Billing System |
| BS | British Standard |
| BS | Broadcasting Service |
| BS | Budget Resolution |
| BSA | Basic Service Agreement |
| BSA | Beach Support Area |
| BSA | Brigade Support Area |
| BSAM | Basic Software Acquisition Management course (at IRMC/DSMC also known as SAM 101) |
| BSC | Base Station Controller |
| BSC | Battle Simulation Center |
| BSC | Binary Symmetric Channels |
| BSC | Binary Synchronous Communications |
| BSC | Block Sum Check |
| BSCU | Brake System Control Unit |
| BSD | Battlefield Situation Display |
| BSD | Berkeley Software Distribution |
| BSDL | Boundary Scan Description Language |
| BSF | Budget Submission Figure |
| BSI | British Standards Institute |
| BSM | Basic Sustainment Material |
| BSMAP | Base Station Management Application Part |
| BSMC | Base Station Manufacturer Code |
| BSMI | Bureau of Standards, Metrology and Inspection |
| BSMS | Broadcasts Short Message Service |
| BSO | Basic Security Option |
| BSO | Budget Submitting Office |
| BSOD | Blue Screen Of Death |
| BSP | Business Service Provider |
| BSR | Basic Semantic Repository |
| BSR | Board of Standards Review |
| BSR | Business Strategy Report |
| BSS | Base Station System |
| BSS | Broadcasting Satellite Service |
| BSS | Business Support System |
| BSSG | Brigade Service Support Group |
| BST | Basic Skills Trainer |
| BST | Builders Sea Trial |
| BST | Builders Ship Trials |
| BSTI | Basic Scientific and Technical Information |
| BSU | Bypass Switch Unit |
| BSU | Beam Steering Unit |
| BSU | Basic Semantic Unit |
| BSV | Beach Support Vehicle |
| BT | Behavioral Taxonomy |
| BT | Budget Estimate |
| BT | Builder's Trial |
| BTA | Basic Trading Area |
| BTA | Best Technical Approach |
| BTAM | Basic Telecommunications Access Method |
| BTB | Bus Tie Breaker |
| BTB | Branch Target Buffer |
| BTC | Business Telecommunications Committee |
| BTG | Broadband Transmit Group |
| BTH | Below The Horizon |
| BTI | Balanced Technology Initiative |
| BTL | Backplane Transceiver Logic |
| BTL | Bell Telephone Laboratories |
| BTM | Basic Transfer Mode |
| BTMU | Brake Temperature Monitor Unit |
| BTRY | Battery |
| BTSC | Broadcast Television Systems Committee |
| BTWC | Biological and Toxin Weapons Convention |
| BU | Backup |
| BU | Business Unit |
| BUCS | Back-up computer system |
| BUDCOM | Budget Communications |
| BUDFIN | Budget and Finance |
| BULLET | Battalion/Unit Level Logistics Evaluation Tool |
| BUM | Business Unit Manager |
| BUNO | Bureau Number |
| BUPERS | Bureau of Naval Personnel |
| BUR | Bottom Up Review |
| BusAv | Business Aviation |
| BUTT | Business Unit Technical Team |
| BV | Battlefield Visualization |
| BV | Bus Vectored |
| BVR | Beyond Visual Range |
| BW | Bandwidth |
| BW | Biological Warfare |
| BWC | Bandwidth Control |
| BWC | Battle Wave Commander |
| BWC | Biological Weapons Convention |
| BWE | Baseline Weight Estimate |
| BWEB | Broadcast Web |
| BWP | Budget for Work Package |
| BWRD | Backward |
| BWS | Building Wiring Standard |
| BX | Base eXchange |
| BXP | Border Crossing Point |
| BY | Base Year |
| BY | Budget Year |
| Byte | A grouping of eight bits. |
| BZ | Beach Zone |
| BZA | Beach Zone Array |
