11/29/2010 - Air Force Chief of Staff Gen. Norton Schwartz greets Airman 1st Class Paul Milan of the 821st Security Forces Squadron at Thule Air Base, Greenland, Nov. 25, 2010, during a Thanksgiving visit. Thule AB is the Department of Defense's northernmost installation. (U.S. Air Force photo/ Staff Sgt. Sarah Beasley)

11/29/2010 - Air Force Chief of Staff Gen. Norton Schwartz receives an orientation from 1st Lt. Kenneth Bowman (seated) and 2nd Lt. Neil Bockus of the 12th Space Warning Squadron at Thule Air Base, Greenland, Nov. 25, 2010, during a Thanksgiving visit. The 12th SWS is charged with operating, maintaining and securing the Ballistic Missile Early Warning System, which provides for missile warning and space surveillance. (U.S. Air Force photo/ Staff Sgt. Sarah Beasley)

11/29/2010 - Air Force Chief of Staff Gen. Norton Schwartz serves Thanksgiving meals Nov. 25, 2010, to the men and women stationed at Thule Air Base, Greenland. Thule AB is the Department of Defense's northernmost installation. (U.S. Air Force photo/ Staff Sgt. Sarah Beasley)