Two U.S. Air Force C-130 Hercules aircraft taxi to the runway. Two U.S. Air Force C-130 Hercules aircraft taxi to the runway during a Composite Force Operations exercise at Biggs Army Air Field, Texas, on Nov. 18, 2004. The Hercules are operating as part of the U.S. Air Force Mobility Weapons School Weapons Instructor Course that employs a realistic scenario requiring the students to plan and execute airdrop, air land and air refueling operations. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 954385-J-HFM89-442.jpg Photo Gallery