air-to-surface

[air-tuh-sur-fuh s]

adjective

operating or directed from a flying aircraft to the surface: air-to-surface missiles.

adverb

from a flying aircraft to the surface of the earth: They released the rockets air-to-surface.

Origin of air-to-surface

First recorded in 1955–60

Also called air-to-ground

[air-tuh-ground] /ˈɛər təˈgraʊnd/.