An Air Force C-130 Hercules maintainer examines one of the aircraft's four propeller-driven engines at a base in Southwest Asia. Coalition C-130s and C-17 Globemaster IIIs delivered more than 510 tons of supplies and transported more than 3,600 people May 14. The C-130 has been in use in the U.S. for more than 50 years. More than 40 models and variations of the Hercules serve in more than 50 nations. (U.S. Air Force photo/Staff Sgt. David Miller)

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