B-2 Refueling

A U.S. Air Force B-2 Spirit bomber aircraft approaches the rear of a KC-135 Stratotanker aircraft before refueling during a training mission over the Midwest, Aug. 1, 2013. The B-2's unique design enables it to travel into enemy territory to deploy ordnance without being detected by radar. (DoD photo by Airman 1st Class John Linzmeier, U.S. Air Force/Released)

A U.S. Air Force B-2 Spirit bomber aircraft approaches the rear of a KC-135 Stratotanker aircraft before refueling during a training mission over the Midwest, Aug. 1, 2013. The B-2’s unique design enables it to travel into enemy territory to deploy ordnance without being detected by radar. (DoD photo by Airman 1st Class John Linzmeier, U.S. Air Force/Released)