. "0021" . . . . "Air interdiction" . . . "Close air support" . . . "MAG-42" . "Marine Aircraft Group 42" . . "0001" . . . . . . "\\\"On time, on target\\\"" . . "Marine Air Base Squadron 42" . . "Marine Aircraft Group 42" . . . . . . . "Marine Aviation Training Support Group 42" . . . . . "Marine Base Defense Aircraft Group 42" . .