auxiliary power unit (APU)

under armor auxiliary power unit (UAAPU)

auxiliary power unit

auxiliary power supply

auxiliary power plant

auxiliary beach signal unit

high-power illuminator radar / high power illuminating radar (HIPIR)

electric power unit (EPU)

hydraulic power unit

power distribution unit (PDU)

power unit

ground power unit (GPU)

power supply unit

elevation power control unit

auxiliary (aux)

auxiliary detonator

auxiliary devices

auxiliary floating dry dock

auxiliary gun

auxiliary ship

auxiliary target

auxiliary thrust devices

auxiliary vessel

fleet auxiliary

gunner’s auxiliary sight (GAS)

auxiliary detonating fuse

auxiliary adjusting point

howitzer with auxiliary propulsion

auxiliary aiming mark (point)

auxiliary aiming mark

auxiliary air valve

auxiliary azimuth scale

auxiliary charging set