| Acronym | Meaning |
 | BP | C&TSSCommunication And Tracking Subsystem |
 | BP | C&WCaution And Warning |
 | BP | C/0Changeout |
 | BP | C/CCombustion Chamber |
 | BP | C/DCountdown |
 | BP | C/FCenter Frequency |
 | BP | C/LChecklist |
 | BP | C/PCold Plate |
 | BP | C/RCommutation Rate |
 | BP | C/SCounts Per Second |
 | BP | C/SCSCCost/Schedule Control Systems Criteria |
 | BP | C/WCarrier Wave |
 | BP | CA California |
 | BP | Capacitance |
 | BP | Caution And Warning |
 | BP | C-Band3900 To 6200 MHz |
 | BP | C-BDC-Band |
 | BP | C-CCarbon-Carbon |
 | BP | Celsius |
 | BP | Centigrade |
 | BP | Checkout |
 | BP | Closed Loop |
 | BP | Coeff Icient |
 | BP | Complete |
 | BP | Constant |
 | BP | Contamination/Overpressure |
 | BP | C-to-CComputer-to-Computer |
 | BP | Cutoff |
 | BP | Cycle |
 | BP | One Hundred |
 | BPD | Baseline Program Documentation |
 | BPI | Bits Per Inch |
 | BPM | Beats Per Minute |
 | BPMS | Blood Pressure Measuring System |
 | BPR | Bypass Ratio |
 | BPS | Bits Per Second |
 | BPT | Body Point |
 | BPV | Bipropellant Valve |
 | BR | Bit Rate |
 | BRAVO | Business Risk And Value Of Operation In Space |
 | BRCS | Basic Reference Coordinate System |
 | BRG | Bearing |
 | BRK | Brake |
 | BRKT | Bracket |
 | BRM | Biological Research Module |
 | BRPM | Breath Rate Per Minute |
 | BRRS | Banana River Repeater Station |
 | BRS | Bottom Right Side |
 | BRT | Bright |
 | BS | Block Specification |