Here's some information on David Farrell. He was shot down on April 17,1943 flying 42-5394 of the 367th BS, 306 BG
From American Air Museum
http://www.americanairmuseum.com/aircraft/8140
Delivered Tulsa 29/11/42; Morrison 12/2/43; Assigned 367BS/306BG [GY-O] Thurleigh 2/3/43; Missing in Action Bremen 17/4/43 with Ray Fortin, Co-pilot: Dave Farrell, Bombardier: Mo Pickett, Navigator: Tom Walden, Flight engineer/top turret gunner: George Pederson,Tail gunner: Fred Newcomb (6 Prisoner of War); Radio Operator: John Quinn, Ball turret gunner: Don Dorion, Waist gunner: John Barnes, Waist gunner: Harry Pease (4 Killed in Action); enemy aircraft KO’d #2 & #4, crashed Benthullen, Ger. Missing Air Crew Report 15516.