In the twelfth film in the series, in 1917, Indiana Jones transfers from the Belgian army to the French intelligence service, where his first assignment is as a reconnaissance photographer for the 124th Squadron, a group of volunteer American pilots in the French army. When his plane is shot down, Indy encounters the infamous "Red Baron," Manfred von Richthofen. After a daring escape, Indy is parachuted back into Germany on a mission to convince aircraft designer Anthony Fokker to defect to France, and he discovers a new German superweapon - a new airplane intended to bring the war overseas.
More info