active air defence

air air heat exchanger

Air Defence

Air defence (antiaircraft) missile

air defence and antimissile

air defence and anti-missile

air defence anti-missile missile

air defence area

air defence artillery group

Air Defence Basement

Air Defence Besement

Air defence brigade

air defence C 3I system

air defence C^3I system

air defence C3I system

Air defence combat

air defence command computer

air defence command post

air defence computer