initial air space

air and space doctrine (section of military doctrine)

air/space defense missile

Allied Joint Doctrine for Air and Space Operations (AJP-3.3)

national air space

air-launched space carrier aeroballistic

International Air and Space Fair

air and space attack

air-to-space

air-to-space missile

air-to-space weapon

initial airhead

initial assault

initial assault landing

initial data

initial element

initial geodetic data

initial nuclear radiation

initial operational capability (IOC)

initial path sweeping

initial period of war

initial point (IP)

initial radiation

initial railway

initial sight setting

initial situation

initial training

initial velocity

initial-entry force

initial-entry training (IET)

Low-Rate Initial Production (LRIP)

pre-initial planning conference

target approach point; initial point (IP)