. "Up and at 'Em" . "1919" . . . . "4th Composite Group" . . "1941" . . . "1st Group (Observation)" . . . "1st Observation (later, 4th Observation, 4th Composite) Group" . "4th Composite Group" . . . "125px" . . . . . . . . . . "U.S. 4th Composite Group" . . "4th Group (Composite)" . . . "5th Composite Group" . .