head-on battle

penetrating head injury / open head injury

drop head body (drop-head body)

head-to-head flyoff

infrared homing head (IR homing head)

battle-ground / battle ground / battleground

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-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)

passive electronic homing head

amphibious beach-head

hydrostatic head

penetrating head wounds

adjustable head space feature

head space