question: During what war was Nina Ulyanenko an air ace?
answer: World War II
context: Title: Hampton E. Boggs
  Passage: Hampton Edward Boggs (17 August 1921, Garvin, Oklahoma - 31 January 1953, Truax Field, Wisconsin) was the United States 2nd highest scoring air ace with the 459th Fighter Squadron, 80th Fighter Group during the China - Burma - India (CBI) campaign during World War II and served as a pilot during the Korean War.  A fighter pilot with the U.S. Army Air Forces (USAAF) and the United States Air Force (USAF) flying the Curtiss P-40, Lockheed P-38 Lightning, the North American Aviation F-86 Sabre aircraft and also the recipient of the Distinguished Flying Cross.
  Title: Cesar Rodriguez (United States Air Force pilot)
  Passage: Cesar Antonio "Rico" Rodriguez was a United States Air Force officer and pilot from 1981 to 2006.  With his three air-to-air combat victories, he joined Thomas Dietz, Robert Hehemann, and Robert Wright (all USAF officers) as the closest to becoming an air ace than any American pilot since the Vietnam War.  Rodriguez scored his first two kills in 1991, during the first Gulf War, against a Mikoyan MiG-29 and a Mikoyan MiG-23 of the Iraqi Air Force.  His third kill came against a MiG-29 of the Yugoslavian Air Force during the 1999 NATO bombing of Yugoslavia.
  Title: Flying ace
  Passage: A flying ace, fighter ace or air ace is a military aviator credited with shooting down several enemy aircraft during aerial combat.  The actual number of aerial victories required to officially qualify as an "ace" has varied, but is usually considered to be five or more.  The few aces among combat aviators have historically accounted for the majority of air-to-air victories in military history.
  Title: John Edwin Ashley Williams
  Passage: Squadron Leader John Edwin Ashley "Willy" Williams, DFC (6 May 1919 – 29 March 1944) was an Australian air ace during the Second World War.  He served in the Middle East and North Africa with the Royal Air Force (RAF), and was among the Allied prisoners of war (POWs) murdered by the "Gestapo" following "The Great Escape" in 1944.  He commanded No. 450 Squadron of the Royal Australian Air Force for three days, before he was captured in 1942.
  Title: John S. Loisel
  Passage: Colonel John Simon Loisel (May 21, 1920 – January 20, 2010) was an American air ace, credited with having shot down 11 Japanese aircraft during World War II.  Loisel was born in Coeur d'Alene, Idaho and joined the United States Army Air Forces (USAAF) in 1941.  By age 25, Loisel had spent more time in combat than any other American pilot in World War II, with over three years in the Pacific.  Serving in the Pacific he quickly distinguished himself by first becoming an ace after achieving five kills in just a two-month period, and then becoming a double ace.
  Title: Sebastian Festner
  Passage: Vizefeldwebel Sebastian Festner (1894–1917) was an air ace of the Luftstreitkräfte (German Air Force) during World War I, with 12 victories.  He was only the second awardee of the Member's Cross of the House Order of Hohenzollern.
  Title: Clive Caldwell
  Passage: Group Captain Clive Robertson Caldwell, (28 July 1911 – 5 August 1994) was the leading Australian air ace of World War II.  He is officially credited with shooting down 28.5 enemy aircraft in over 300 operational sorties.  In addition to his official score, he has been ascribed six probables and 15 damaged.  Caldwell flew Curtiss P-40 Tomahawks and Kittyhawks in the North African Campaign and Supermarine Spitfires in the South West Pacific Theatre.  He was the highest-scoring P-40 pilot from any air force and the highest-scoring Allied pilot in North Africa.  Caldwell also commanded a Royal Air Force (RAF) squadron and two Royal Australian Air Force (RAAF) wings.  His military service ended in controversy, when he resigned in protest at the misuse of Australian First Tactical Air Force's fighter units and was later court martialed and convicted for trading liquor.
  Title: Nina Ulyanenko
  Passage: Nina Zaharovna Ulyanenko (17 December 1923 – 31 August 2005) was a Soviet Flying ace during World War II and Hero of the Soviet Union.
  Title: Bill Crawford-Compton
  Passage: Air Vice Marshal William Vernon "Bill" Crawford-Compton, (2 March 1915 – 2 January 1988) was a New Zealand-born pilot and air ace of the Second World War.  After the war, he went on to serve as a senior commander in the Royal Air Force.
  Title: Francis Dawson-Paul
  Passage: Francis Dawson-Paul (18 February 1916 – 30 July 1940) was a fighter ace in the Fleet Air Arm of the Royal Navy during the Second World War.  He was seconded to the Royal Air Force during the Battle of Britain, serving with No. 64 Squadron RAF.  Between 1 and 25 July he shot down seven and a half German aircraft before being shot down himself over the English Channel.  Taken prisoner by the crew of a German E-boat he died of his wounds five days later.  In those 24 days of combat he became the first naval air ace of the battle and the highest scoring naval ace on the Supermarine Spitfire, a record which still stood by the end of the war.
citations: Nina Ulyanenko Flying ace