The Messerschmitt Bf-109a fighter prototype makes its first flight at Augsburg, Germany. More than 32,000 Bf-109s will be built (including post-war versions in Spain and Czechoslovakia) in a multitude of versions, making it the second most produced aircraft of all time. (Most produced: Ilyushin II-2; see entry for Dec. 30, 1939.)
Boeing received a $2.47 billion Air Force contract Nov. 25 for 15 more KC-46s, bringing to 183 the number of Pegasus tankers on contract to all customers, foreign and domestic. The new contract—for Lot 12 of the initially planned KC-46 buy—is to be completed by 2029.

