anti-collision system

airborne collision avoidance system (ACAS)

traffic collision avoidance system (TCAS)

collision avoidance system-equipped aircraft

airborne collision avoidance system

aircraft collision avoidance system

autonomous collision avoidance system (ACAS)

collision avoidance system (CAS)

obstacle collision avoidance system (OCAS)

anti-personnel-anti-material projectile

AV/AT mines (anti-vehicle / anti-tank mines)

collision regulations (COLREGS)

lead collision course

midair collision control

near collision

unavoidable collision

aerial collision

air collision

approach lights collision

avert collision

avoid collision

bird collision

mid-air collision

midair collision accident

midair collision hazard

midair collision risk

near mid-air collision

head-on collision

cloud and collision warning radar

collision

collision course interception

collision point

collision сourse attack