airmobile

[ air-moh-buh l, -beel or, esp. British, -bahyl ]
/ ˈɛərˌmoʊ bəl, -bil or, esp. British, -baɪl /

adjective

transportable or transported to combat areas by helicopters: airmobile troops; airmobile corps.

Origin of airmobile

An Americanism dating back to 1960–65; air1 + mobile