The third production C-5M Super Galaxy took its first flight today here at the Lockheed Martin facility in Marietta. Aircraft 0005 is stationed at Dover Air Force Base, Del. and assigned to be flown by both active duty and reserve airlift wings there. The modernization program includes more than 70 improvements to include brand-new, fuel-efficient engines and recently flew the first U.S. polar overflight mission direct to Afghanistan.

Lockheed Martin press release