drop-off point (DOP)

dead drop / dead-drop exchange

drop head body (drop-head body)

drop off the list

drop-off drone

drop point

off-route (off route)

off-design / off design

lift-off / lift off

on-off keying; on/off keying (OOK)

off-route point

jump-off point

take-off reference noise measurement point

marching-off point

ballistic impact point (BIP) / ground (predicted) impact point (PIP)

target approach point; initial point (IP)

triangulation point (trig point)

objective rally point / objective rallying point

point-to-point communication

point-to-point flight

near-side rally point / near side rally point

far-side rally point / far side rally point

air drop

drop bolt

drop tank

drop zone (DZ)

free fall air drop

gravity drop

heavy drop resupply

high-velocity drop

low-velocity drop

minimum pressure drop

voltage drop