In this March 29, 2014 photo provided by the U.S. Air Force, an RQ-4 Global Hawk comes in to land at Grand Forks Air Force Base, N.D. The aircraft from the 348th Reconnaissance Squadron had just set a new record for longest flight by a military aircraft without air refueling, remaining aloft for 34.3 hours. It broke the record by a little more than an hour. Additionally, the mission was staffed entirely by female Airmen in recognition of Women's History Month. (AP Photo/Courtesy of the U.S. Air Force, Staff Sgt. David Dobrydney)
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