2 definitions by idksomepilot
AR-15 stands for "Armalite Rifle", not "Assault rifle" or God forbid "Automatic rifle" because it's the semi-auto civilian version of the M4.
by idksomepilot July 18, 2022
APU stands for Auxiliary Power Unit.
An APU can be found in commercial airline aircraft to start a bleed valve and start the engine.
An APU can be found in commercial airline aircraft to start a bleed valve and start the engine.
by idksomepilot February 26, 2021