Colonel John R Murphy of the 365th Fighter Group, examines a whistle he made and attached to his P-47 Thunderbolt. Image stamped on reverse: 'Passed for publication 22 Nov 1944.' [stamp] and 'Sacred.' [stamp]. Printed caption on reverse: 'Ger. Incend Shell on P...47. Nov 22. NINTH AIR FORCE HEADQUARTERS SOMEWHERE IN FRANCE. Lieutenant Colonel John R Murphy, Minot N,D, a Ninth Air Force P-47 Thunderbolt fighter-bomber, examines the "screamer" whistle he devised from a German incendiary shell. When his unit moved onto a former Luftwaffe field, the colonel found a cluster of the shells and attacked one to the bomb shackle of his plane.'