Lieutenant Robert Boock, Lieutenant James Clarke, Captain William T O'Regan, Lieutenant-Colonel Chesley G Peterson, Captain Richard McMinn, Captain Stanley Anderson and Captain Oscar Coen of the 4th Fighter Group with a Spitfire at Debden Passed by the U.S. Army censor on 30 March 1943. Printed caption attached to print: 'Lt. Col. Chesley G. Peterson D.S.O., D.F.C., U.S. Army Air Force 4th (crossed through with censor's red pencil) Group Britain, who formerly commanded the old Eagle Squadron, seen at an Air Force station somewhere in England with his flight group.' And '23478. Lt. Col. Chesley G. Peterson (centre) in front of his Spitfire has a talk with his flight group, and they seem very pleased with the raid they are going to carry out. S&G D.M.' L-R: Bob Boock, Jim Clark, Abe O'Regan, Chesley Peterson, Dick McMinn (in back), Stan Anderson, Oscar Coen.