battalion defense area

Siberian Battalion (SB) / Sibir Battalion

air defense artillery battalion

CBRN defense battalion

air defense missile battalion

area support medical battalion (ASMB)

perimeter defense (all-around defense)

beach defense mine / beach-defense mine

air defense area

area air defense

area air defense commander (AADC)

area defense

ballistic missile defense area

defense area

forward defense area

main defense area (line) / main defensive position

rear area protection and defense

sea area defense

forward area air defense command, control, communications and intelligence (FAAD C3I)

base area defense ground environment

ground defense area

company defense area

squad defense area

local area defense missile (LADM)

main defense (line) area

area of war/war area

potential danger area (trouble area)

hazard area / hazardous area

killing area / kill area

open area danger area

air assault battalion

airborne battalion

airborne infantry battalion