national defence forces; national security forces
Department of Defense (USA); the Pentagon; Ministry of Defence (UK, etc.)
Department of Defense (U.S.); the Pentagon
Secretary of Defence (Defense)
defence expenditure; defense expenditure; defence cost; defense cost
(Japanese) National Defense Council (1956-86) (Defence); National Security Council (USA)
defense minister; defence minister
the question of national defense (defence)
defense outlay; defense spending