Gen. Raymond Johns (from left), John Marshall, Col. Don Shaffer and Chief Master Sgt. David Spector sign the last KC-135 Stratotanker stationed at Grand Forks Air Force Base, Dec. 3, 2010, after the conclusion of the mission-complete ceremony. The ceremony was held to recognize the completion of 50 years of Stratotanker flight and maintenance operations on base. Grand Forks AFB is scheduled to receive RQ-4 Global Hawks in the summer of 2011. General Johns is the Air Mobility Command commander. Mr. Marshall is the Grand Forks Air Force Base ambassador. Colonel Shaffer is the 319th Air Refueling Wing commander and Chief Spector is the AMC command chief. (U.S. Air Force photo/Tech. Sgt. Johnny Saldivar)