1964 T-39 shootdown incident
On 28 January 1964, an unarmed T-39 Sabreliner aircraft of the United States Air Force (USAF) was shot down while on a training mission over Erfurt, East Germany, by a MiG-19 jet fighter of the Soviet Air Force. The occupants of the aircraft were Lieutenant Colonel Gerald K. Hannaford, Captain Donald Grant Millard, and Captain John F. Lorraine.
Source: Wikipedia — 1964 T-39 shootdown incident (CC BY-SA 4.0)