A-head missile

penetrating head injury / open head injury

drop head body (drop-head body)

head-to-head flyoff

beam rider missile (beamriding missile)

fire and forget missile / fire-and-forget missile (FFM)

antiballistic-missile missile

aeroballistic missile / aero-ballistic missile

standoff missile / stand-off missile

air-to-missile missile

air defense missile / anti-aircraft missile

case head

cylinder head

general purpose head

head count (headcount)

head harness

head injury criterion (HIC) (med.)

Head of Directing Staff (HDS) (exercises)

Head of Logistics

Head of Mission

head room

head wind

head-on approach

head-on battle

head-up display / heads-up-display (HUD)

high explosive antitank and antipersonnel head

high explosive antitank head

high explosive head

homing head

navigation head

pointed head

azimuth aiming circle head

camouflage head net (headnet)