Terms:

backfill
background count
back-haul airlift
backscatter
back-scattering
backshore
backwash
balance
balanced stock(s)
ballistic missile early warning system
ballistic wind
balloon barrage
balloon reflector
bandwidth
bar
bare base
barge
barrage
barrage jamming
barrier
barrier combat air patrol
barrier forces
barrier, obstacle, and mine warfare plan
base boundary
base cluster
base cluster commander
base cluster operations center
base commander
base complex
base defense
base defense forces
base defense operations center
base defense zone
base development (less force beddown)
base development plan
base element
base line
baseline costs
base of operations
base period
base plan
base section
base support installation
base unit
basic cover
basic encyclopedia
basic intelligence
basic research
basic tactical organization
basic undertakings
basis of issue
battalion landing team
battery (troop) left (right)
battle damage assessment
battlefield coordination detachment
battle force
battle injury
battle management
battle reserves
battle rhythm
battlespace
battlespace awareness
beach
beachhead
beach landing site
beach marker
beachmaster
beachmaster unit
beach organization
beach party
beach party commander
beach photography
beach support area
beach survey
beach width
beam rider
beam width
bearing
beaten zone
begin morning civil twilight
begin morning nautical twilight
beleaguered
berm, natural
besieged
bight
bill
billet
bin storage
biographical intelligence
biological agent
biological hazard
biometric
biometrics
black
black list
black propaganda
blast effect
blast line
blast wave
blind transmission
blocking position
block shipment
blood chit
blood chit (intelligence)
Blue Bark
blue force tracking
board
boat diagram
boat group
boat space
bomb disposal unit
bomber
bomb impact plot
bona fides
boost phase
bottom mine
boundary
branch
breakbulk cargo
breakbulk ship
breaker
breaker angle
bridgehead
brigade
broach
buddy-aid
buffer zone
bug
bugged
building systems
bulk cargo
bulk storage
bullseye
bureau
burn notice
burn-through range