Russia Su-27 intercepts B-1Bs, B-52Hs over Baltic Sea Friday, 9 June 2017 Army, Asian, News, War Both pairs of U.S. Air Force B-1Bs and B-52Hs were flying over the Baltic Sea in formation with a KC-135 on Jun. 9 when they were met by a Russian Su-27. Tweet Subscribe to receive free email updates: