B-17F of US 94th Bomb Group over Marienburg, Germany, 9 October 1943 (US National Archives)70 Years Ago—Oct. 9, 1943: US Eighth Air Force sends 378 B-17s and B-24s to bomb Marienburg, Anklam, Danzig, and Gdynia—their longest mission to date, which allows them to surprise the Germans.