A USAF B-52 Stratofortress leads a formation of aircraft, including two Polish air force F-16 Fighting Falcons, four USAF F-16 Fighting Falcons, two German Eurofighter Typhoons, and four Swedish Gripens over the Baltic Sea, June 9, 2016. The formation was captured from a KC-135 from the 434th Air Refueling Wing assigned to Grissom AFB, Ind., as part of exercise Baltops 2016. )