drop window

dead drop / dead-drop exchange

drop head body (drop-head body)

impending arrival window (IAW)

sight window

sight glass window

indicator sight glass window

dessicator window

driving compartment's window doors

window doors

exhaust window

window fastener

inner window pane

outer window pane

passenger compartment window

sliding window

heated window

rescue hatch window

side window

vernier window

jump out the window

window

tracking window

air drop

drop bolt

drop tank

drop zone (DZ)

drop-off point (DOP)

free fall air drop

gravity drop

heavy drop resupply

high-velocity drop

low-velocity drop