air - anti
- all-power-units ceiling
- all-propellant mission
- all-propulsive orbital plane change maneuver
- all-propulsive orbital plane change vehicle
- all-propulsive-braking maneuver
- all-purpose adhesive
- all-purpose aircraft
- all-purpose car
- all-purpose engine oil
- all-purpose gasoline
- all-purpose grease
- all-purpose meter
- all-purpose type lubricant
- all-radiant furnace
- all-rag paper
- all-reclaim article
- all-relay code system
- all-relay coded interlocking
- all-reusable stage
- all-riveted superstructure
- all-round contact
- all-round looking radar
- all-round surveillance
- all-rubber scrap
- all-rubber tube
- all-season oil
- all-service runway
- all-service vehicle
- all-silent gearbox
- all-sky camera
- all-solid state circuitry
- all-solid state instrument
- all-space filling
- all-space module
- all-space [close-packable] polyhedron
- all-speed governor
- all-steel tire
- all-steel welded underframe
- all-synchronized gearbox
- all-synchronized transmission