HERCULES FORMATION A formation of Air Force C-130 Hercules aircraft fly above the Nevada Test and Training Range during a mobility air forces exercise on Nellis Air Force Base, Nev., May 18, 2011. The C-130 aircrafts assembled in aerial formations as part of the biannual Air Force Weapons School's mobility air forces exercise. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 073460-N-XLF36-491.jpg Photo Gallery