Staff Sergeant William Accoo of the 15th Air Force cleans a P-51 Mustang. Printed caption on reverse is damage: 'BIPPA, EA 35888. U.S. Mustang Flyers At Italian Base. Staff Sergeant William Accoo of Salen[sic], New Jersey, crew chief in a Negro group of the 15th U.S. Air Force, washes down the PP-51 Mustang fighter plane of his pilot with soap and water... to give it more speed. Mediterranean... Forces Photo PRO-HQ-44-2384. Serviced... London OWI (Inner... Certified... Passed by SHAEF Censor....' Printed caption also attached to reverse: '(CCU Photo). Competition is great among individual crew chiefs of the all Negro P-51 Mustang Fighter Group of the 15th Air Force in Italy, and it's never more evident than in this picture which shows S/Sgt. Wm. Accoo, 358 Keasby St., Salem, N.J., washing his plane down with soap and water. After this he will wax it.' On reverse: Mediterranean Allied Air Forces Photo and Crown Copyright [Stamps].