anti-ram barriers

deployable entanglements and barriers

radar-absorbent materials (RAM)

reliability, availability, and maintainability (RAM)

Counter Rocket, Artillery, and Mortar (C-RAM; CRAM)

ram the projectile

rocket, artillery, and mortar warn (RAM Warn)

battering ram tactics

ram air duct

ram air turbine

ram air-breathing jet engine

ram-air flow

ram airflow

ram ahead

ram attack

ram

radar-absorbent material (RAM)

radiation-absorbent material (RAM)

anti-personnel-anti-material projectile

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

anti-access and area denial (A2/AD)

anti-additive

anti-air operation

anti-air warfare

anti-aircraft artillery system

anti-aircraft cannon

anti-aircraft guided missile

anti-aircraft gun

anti-aircraft rocket brigade

antiamphibious minefield  (anti-amphibious mine field)

anti-chafe strip

anti-countermining device

anti-freeze compound