 Many Security Forces saw duty overseas directly supporting bases while maintenance and operations personnel were called to support the ongoing operations.In its 2005 BRAC Recommendations, DoD (the Department of Defense) recommended the distribution of the 117th Air Refueling Wing’s KC-135R aircraft from Birmingham International Airport Air Guard Station (AGS), Alabama and the 161st Air Refueling Wing, Phoenix Sky Harbor International Airport AGS (two aircraft) and two other bases.Phoenix Sky Harbor (37) scored higher than Birmingham (63) in military value for the tanker mission.