Romualdas Marcinkus (22 July 1907 – 29 March 1944) was a Lithuanian pilot. Marcinkus participated in an early trans-European flight on 25 June 1934, and was the only Lithuanian pilot to serve in the Royal Air Force (RAF) during the Second World War. In his youth Marcinkus was a Lithuanian multifold football champion and a playing coach for the Lithuania national football team. While serving in the Lithuanian Air Force, Marcinkus was a parachute instructor, and headed the aviation sport and physical education department, and during his later years coached a junior football team. A few months be