medevac
noun /ˈmedɪvæk/
/ˈmedɪvæk/
(also medivac)
[uncountable] (especially North American English)- the movement of injured soldiers or other people to hospital in a helicopter or other aircraft
compare air ambulance(伤员等的)空运救护,飞行送院 词源1960s: blend of medical and evacuation (see evacuate).