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Four U.S. Air Force F-22 "Raptor" fighter aircraft from Kadena Air Base, Japan, conducted a flyover in the vicinity of Osan Air Base, South Korea, in response to recent provocative action by North Korea Feb. 17, 2016. The Raptors were joined by four F-15 Slam Eagles and U.S. Air Force F-16 Fighting Falcons. The F-22 is designed to project air dominance rapidly and at great distances and currently cannot be matched by any known or projected fighter aircraft. (U.S. Air Force photo by Song, Kyong Hwan/Released)