drop-off drone

dead drop / dead-drop exchange

drop head body (drop-head body)

drop-off point (DOP)

drop off the list

Drop (drone)

off-route (off route)

off-design / off design

lift-off / lift off

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

drone war (world’s first drone war)

drone field of view (drone FOV)

drone swarm attack / drone swarming attack

drone swarm's counter-drone capabilities

hobby drone (hobby grade drone)

one-way attack drone (OWA drone)

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

magazine drop pouch / dump pouch

extinguishing agent drop

extinguishing agent drop abort

Operation Acid Drop

cartridge drop lever spring

drop center rim