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air-to-surface

[air-tuh-sur-fuh s]
adjective
  1. operating or directed from a flying aircraft to the surface: air-to-surface missiles.
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adverb
  1. from a flying aircraft to the surface of the earth: They released the rockets air-to-surface.
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Origin of air-to-surface

First recorded in 1955–60
Also called air-to-ground [air-tuh-ground] /ˈɛər təˈgraʊnd/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018