B-1s, KC-135 launch for first LFE in PRTC Published Dec. 7, 2015 By Airman 1st Class James L. Miller 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- Ellsworth B-1 bombers took off from the flightline early Wednesday morning to participate in the first large force exercise in the newly expanded Powder River Training Complex Dec. 2-3. A KC-135 Stratotanker from Selfridge Air National Guard Base, Michigan, was among the aircraft that launched from base the first day of exercise to refuel the bombers and other aircraft scheduled to participate in the exercise. About 40 aircraft took part in the event, including Ellsworth bombers, fighters from the South Dakota Air National Guard in Sioux Falls, air refueling and airborne warning and control system aircraft. The exercise was designed to train aircrew realistic scenarios that support a full range of operations against modern threats and replicate today's contingency operations. For more information on the PRTC, visit http://www.ellsworth.af.mil/prtc.asp. Those interested in scheduling information should visit http://sua.faa.gov/.