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He was the bombardier on crew #11 in the Doolittle Raid.
He was cremated but the location of his ashes is unknown.
His DFC citation: Awarded for actions during World War II
The President of the United States of America, authorized by Act of Congress, July 2, 1926, takes pleasure in presenting the Distinguished Flying Cross to Sergeant William L. Birch (ASN: 6561172), United States Army Air Forces, for extraordinary achievement as Bombardier of a B-25 Bomber of the 1st Special Aviation Project (Doolittle Raider Force), while participating in a highly destructive raid on the Japanese mainland on 18 April 1942. Sergeant Birch with 79 other officers and enlisted men volunteered for this mission knowing full well that the chances of survival were extremely remote, and executed his part in it with great skill and daring. This achievement reflects high credit on himself and the military service.
Model Consolidated B-24J Liberator Length 67.16 ft | 20.47 m Width 110.01 ft | 33.53 m Height 18.01 ft | 5.49 m Engine(s) 4 x Pratt & Whitney R-1830-65 radial piston engines generating 1,200hp. Empty Weight 36,500 lbs | 16,556 kg MTOW 65,001 lbs | 29,484 kg Max Speed 290 mph | 467 km/h | 252 kts Max Range 2,001 miles | 3,220 km Ceiling 28,002 ft | 8,535 m | 5.3 miles Climb Rate 800 ft/min (243.84 m/min) Hardpoints 0 Armament 2 x 12.7mm machine guns in nose assembly. 2 x 12.7mm machine guns in tail assembly. 2 x 12.7mm machine guns in upper-fuselage turret. 2 x 12.7mm machine guns in under-fuselage assembly. 1 x 12.7mm machine gun in left-waist fuselage position. 1 x 12.7mm machine gun in right-waist fuselage position.
Up to 8,800lbs of internal bombs. Accommodations 10 Operators the United States of America and the United Kingdom.
* Model 31 - Flying Boat Model whose wing assembly would become the basis for the B-24 design. * Model 32 - Base B-24 Model Series Designation. * XB-24 - Initial Prototype Model Designation fitted with R-1830-33 radial piston engines generating 1,200hp. * YB-24 - Preproduction Model Designation * B-24A - Fitted with 2 x 7.62mm tail guns, 6 x 12.7mm machine guns in nose assembly, dorsal and waist gun positions. * B-24C - Fitted with turbocharged R-1830-41 engines; 8 x 12.7mm machine guns - nose (single gun), ventral, waist (left and right), dorsal turret (two guns) and tail turret (two guns). * B-24D - Based on the B-24C model but fitted with R-1830-43 engines; later models of this series would feature the twin 12.7mm ball turret gun assembly in the ventral fuselage position; self-sealing fuel tanks; 2,381 produced. * B-24E - Modified propeller systems; 801 produced. * B-24G - Fitted with R-1830-43 engines; powered nose turret with 2 x 12.7mm machine guns. * B-24H - Improved Model with extended nose section; 3,100 produced. * B-24J - Fitted with R-1830-65 engines; improved bombsight; autopilot functionality; 6,678 produced. * B-24L - Based on B-24J model but fitted with hand-operated tail guns; 1,667 produced. * B-24M - Based on B-24J model with lighter mounting for hand-operated tail gun; 2,593 produced. * XB-24Q - General Electric Conversion Model of B-24L model fitted with radio-controlled tail turret. * B-24Q - Final Production Model Designation * B-24Q * LB-30 - Transport Variant * C-87 - Air Force Transport Variant * RY - Navy Transport Variant * C-109 - Fuel Tanking Model * F-7 - Photographic Reconnaissance Model * PB4Y-1 - Patrol Bombing Model * PB4Y-2 - Specialized Model with single vertical tail surface assembly. * GR - British Maritime Reconnaissance Model.
