BLEU: Blind Landing Experimental Unit
BLIP: Background Limited IR Photography
BLOS: Beyond Line-of-Sight
BLS: Bombing Leaders School
BLSS: Base Level Self-Sufficiency Spares
BLT: Battalion Landing Team

BLUF: Bottom Line Up Front

BM: ballistic missile

BM: Battle Management
BM/C2: Battle Management/Command and Control
BM/C3: Battle Management/Command, Control and Communications
BMATT: Briefcase Multi-Mission Advanced Tactical Terminal
BMC: Battle Management Cell
BMCT: Beginning of Morning Civil Twilight

BMD: Ballistic Missile Defense
BMDATC: Ballistic Missile Defense Advanced Technology Center

BMDO: Ballistic Missile Defense Office

BMDO: Ballistic Missile Defense Organization

BMDSCOM: Ballistic Missile Defense Systems Command

BMEWS: Ballistic Missile Early Warning System
BMG: Basic Mission Guidance
BMG: Brevet Major General
BMH: British Military Hospital
BMNT: Beginning of Morning Nautical Twilight
BMO: Ballistic Missile Office
BMO: Ballistic Missile Organization
BMS: Bandwidth Manager Service
BMS: Battle Management Simulation
BMSS: Ballistic Missile Systems Subcommittee

Bn: Battalion
BNA: Basic Network Availability
BNCOC: Basic Noncommissioned Officer Course
BND: Bundesrepublik Nachrichtendienst
BOA: Broad Ocean Area
BoB: Battle of Britain
BOBC: Branch Officers Basic Course
BobMF: Battle of Britain Memorial Flight
BOCCA: Board for Coordination of Civil Aircraft

BOG: Beach Operations Group
BOHICA: Bend Over, Here It Comes Again