close supporting fire
— Noun
– English
～ fire on enemy troops or weapons or positions that are near the supported unit and are the most immediate and serious threat to it
Chalons-sur-Marne
— Noun
– English
～ the battle in which Attila the Hun was defeated by the Romans and Visigoths in 451
channel-surf
— Verb
– English
～ switch channels, on television
change surface
— Verb
– English
～ undergo or cause to undergo a change in the surface
control surface
— Noun
– English
～ a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight