Staff Sgt. Erik Lucas checks components atop a C-5 Galaxy turbofan
engine at Royal Air Force Mildenhall, England, on July 31. The sergeant
is an engine manger with the 727th Air Mobility Squadron. Each engine
produces 43,000 pounds thrust, weighs 7,900 pounds and is nearly 27
feet long. (U.S. Air Force photo/Master Sgt. Lance Cheung)
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