"[1563X1120] Sopwith 1 1⁄2 Strutter bomber is loaded on a platform fitted upon the Q turret of the Australian battlecruiser HMAS Australia. 08 March 1918, Rosyth."
"Canadian firefighters seal an oil well in Kuwait after Iraqi sabotage during the Gulf War, 1991 [1778x1185]."
They did know about them...But, they also knew about the poor low speed handling characteristics of swept wings. However, the priority was getting jets aboard carriers quickly, and that was not going to happen with swept wings. So, fixing the low speed handling problem was not a priority until swept wing MIGs appeared over Korea. This gave the Navy a lot more impetus to solve the poor low speed handling of swept wings.
"B-17F 41-24457 “The Aztec’s Curse” of the 27th Bombardment Squadron, 11th Bomb Group, leaving the target after a strike against Japanese shipping off Gizo Island, Solomon Islands – PTO 1942 Pacific Wrecks"
Knocked-out Panther Ausf. G by infantry PIAT from Regina Rifles Regiment during a night battle in Bretteville-en-Orgueilleuse on June 8, 1944. The 4. Kompanie, I./SS-Pz.Rgt. 12 „Hitlerjugend“ failed to retake the town from British and Canadian forces at night.
Someone disputed that? The B-17s casually dismissed by Lt. Kermit Tyler on Dec. 7th, 1941, were stopping at Pearl for food and fuel before proceeding on the Philippines. B-17s were part of the defense forces at Midway when the Nagumo Kido Butai did a swan dive into an empty pool. Etc., etc., etc.! (Not proof that Yul Brynner had B-17s.) Gotta go, morphine on the plate.
B-17's were in the Pacific through 1943. By the end of December they had all been withdrawn and sent to Europe. They reached their peak in the Pacific at 168 in September 1942. (Army Air Forces Statistical Digest, World War II)