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The Aviationist » U.S. RC-135U spyplane and Russian Su-27 in one of the most dangerous aerial encounters since the Cold War. - http://theaviationist.com/2014/06/03/combat-sent-intercepted-...
"According to U.S. Defense officials, the one between a U.S. RC-135U and a Russian Air Force Su-27 Flanker was something more than a routine intercept." ‎- silpol