Air National Guard Col. Gregory T. White, 233rd Space

Air National Guard Col. Gregory T. White, 233rd Space Group Commander, hands the 233rd Space Communications Squadron flag to Lt. Col. Thomas D. Book, the newly appointed 233d Space Communications Squadron Commander, during the 233d Space Group Activation Ceremony, March 10, 2013, Greeley Air National Guard Station, Greeley, Colo. The 137th Space Warning Squadron reorganized as the 233d Space Group and will continue to operate under the 140th Wing, performing the one-of-a-kind Mobile Ground System mission that these men and women have been doing since 1996. (Air National Guard photo by Tech. Sgt. Wolfram M. Stumpf/RELEASED)