head-on approach

penetrating head injury / open head injury

drop head body (drop-head body)

head-to-head flyoff

infrared homing head (IR homing head)

angle of approach

approach angle

approach corridor

approach march

approach march formation

approach path

approach road

approach route

approach schedule

avenues of approach

blind approach

capabilities-based approach

case head

circling approach

close approach

covered routes of approach

critical avenue of approach

cylinder head

direct approach

even-handed approach

general purpose head

ground-controlled approach procedure

head count (headcount)

head harness

head injury criterion (HIC) (med.)

Head of Directing Staff (HDS) (exercises)

Head of Logistics

Head of Mission