Elephant walk
Six KC-135 Stratotankers demonstrate the elephant walk formation as they taxi down a runway right behind each other during a generation exercise Aug. 5 at McConnell Air Force Base, Kan. The exercise showcased McConnell AFB aircrews' capability to prepare a flight and take off within minutes of being notified of a mission. (U.S. Air Force photo/Airman 1st Class Laura Suttles)