air-to-surface

adjective
air-to-sur·​face

Definition of air-to-surface

: launched from an airplane or helicopter at a target on the earth's surface The B-52G … was equipped at one time with the Hound Dog air-to-surface missile, which had a range of over 500 miles.— Jeffrey A. Merkley, B-1B Bomber and Options for Enhancements, 1988

First Known Use of air-to-surface

1946, in the meaning defined above

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