pilot, holder of 10 world records for helicopters, Hero of the Soviet Union Alexander Kazakov, the most successful Russian flying ace of World War I, the first to perform an aerial ramming and survive Timofey Khryukin, fighter ace during Spanish Civil War, Second Sino-Japanese War and World War II, double Hero of the Soviet Union Sergei Khudyakov, Marshal of Aviation during World War II, chief of staff of the Soviet Air Force Vladimir Kokkinaki, test pilot, set twenty-two world records, later President of the Fédération Aéronautique Internationale, Hero of the Soviet Union (twice) Nikolai Kokorin, World War I flying ace, winner of three awards for valor Zinaïda Kokorina, pilot and flight instructor, in 1925 became the world's first military pilot Galina Gavrilovna Korchuganova, test pilot and first women's world aerobatics champion Ivan Kozhedub, Allied "Ace of Aces" in World War II, credited with sixty-four victories, three-time Order of Lenin earner Sergei Kramarenko, fighter ace in World War II and the Korean War, Hero of the Soviet Union Stepan Kretov, long-range bomber pilot during World War II, double Hero of the Soviet Union Yevgraph Kruten, World War I fighter ace flew for, and won decorations from, both Imperial Russian and French Air Forces Nikolai Kuimov, chief test pilot for Ilyushin, Hero of the Russian Federation Pavel Kutakhov, World War II fighter ace, Chief Marshal of Aviation during the Leonid Brezhnev era, double Hero of the Soviet Union L Ernst Leman, World War I flying ace, recipient of four gallantry medals Sigismund Levanevsky, polar aviator, among the first to receive the honour of Hero of the Soviet Union, died in a transpolar flight attempt Anatoly Liapidevsky, polar aviator, the very first person to receive the honour of Hero of the Soviet Union, General Major of Aviation Lydia Litvyak, World War II pilot, one of the world's two female fighter aces, Hero of the Soviet Union Ivan Loiko, World War I flying ace, recipient of five awards for valor M Donat Makijonek, flying ace of the Imperial Russian Air Service in World War I and recipient of 15 decorations for valor Alexey Maresyev, World War II fighter ace, Hero of the Soviet Union, the prototype for The Story of a Real Man Natalya Meklin, World War II bomber pilot & one of the Night Witches, Hero of the Soviet Union Arseny Mironov, aerospace engineer and aviator, scientist in aircraft aerodynamics and flight testing