A KC-135R Stratotanker from the 157th Air Refueling Wing of the New Hampshire Air National Guard at Pease Air National Guard Base, N.H., prepares to refuel a C-5M Super Galaxy from Dover Air Force Base, Del., over northern Canada on June 5, 2011. The C-5M's mission was to complete the first Arctic overflight from Dover Air Force Base to Bagram Air Field, Afghanistan. The plane successfully landed at Bagram just over 15 hours after take-off on June 6, 2011.