In the early morning of 9 April 1940, Finn Thorsager, a newly graduated pilot in the Royal Norwegian Air Force, was told to takeoff and investigate rumors of unknown aircraft coming in from the south. Flying in his outdated Gloster Gladiator, Finn spotted a German plane below him; he dived down and fired his machine guns, the first shots ever to be fired by a Norwegian pilot in wartime. He made it back to base but was soon in the air again, spurred...