Missing Air Crew Report: 47th Bomb (L) - Grossetto A/D - Course: Unknown - Target or intended destination: Casalmaggiore - Type of mission: Armed Night Reconn - 17 April 1945 Time: 01.17 and Location: L6458 going North - Aircraft A-20B AAf Ser. Nr. 41-3253; Crew position: Pilot 1st Lt. Small, Lloyd W. Jr. , Bomb. Nav. S/Sgt. Mattes, Charles E., Gunner S/Sgt. Schmale, Leroy B., Gunner S/Sgt. Stewart, Walter W.
Statement del Cpt. William M. Sittman W. Operation Officer datato 20 aprile 1945: "On the night of 16-17 April 1945, at approximately 00,20 hours, 1st Lt. Lloyd W. Stall, 0-758389, Pilot; S/Sgt. Charles S. Mattes, 33103058, Bomb. Nav; S/Sgt. Leroy B. Schmale, 33622246, gunner and S/Sgt. Walter W. Stewart, 13027781, gunner, took off in airplane 41-3253 (59) from Grossetto A/D, to attack a Po River Crossing, in the area of Casalmaggiore, Italy. The airplane failed to return. The pilot checked in with 'Rhubarb' Sector Controller, E. of Forli A/D at 00,54 hours. At 01,17 hours, a fix was taken on the airplane by 'Rhubarb' end the plane was going north at L-5458. No further contact was made with the pilot or crew."
Individual Deceased Personnel File Small, Lloyd W – Mattes, Charles E. – Schmale, Leroy B. – Stewart, Walter W.: Place of Death M. Montagnana Map reference P920590 – Place of original burial Town Miano, Italy.
Non sono giunte fino a noi testimonianze o documenti utili a far luce su quanto accadde all’A-20. Dichiarato disperso dopo l’ultimo contatto avvenuto alle ore 1,17, ne vennero ritrovati i resti alle pendici del Monte Montagnana, nell’Appennino Parmense. I quattro aviatori deceduti erano stati sepolti presso il cimitero di Miano di Corniglio. Furono riesumati il 23 Luglio 1945 e traslati negli Stati Uniti.