F-16 Fighting Falcons demonstrate an "Elephant Walk" as they taxi down a runway during an exercise on Kunsan Air Base, South Korea, March 2, 2012. The air crews are assigned to the 35th and 80th Fighter Squadrons, the 8th Fighter Wing, Kunsan Air Base; the 421st Expeditionary Fighter Squadron, 388th Fighter Wing, Hill Air Force Base, Utah; the 55th Expeditionary Fighter Squadron, the 20th Fighter Wing, Shaw Air Force Base, S.C.; and the 38th Fighter Group of the South Korean Air Force.