821st Air Base Group receives new commander
THULE AIR BASE, Greenland – Col. Eric Dorminey, 21st Space Wing vice commander, passes the guidon to Col. Thomas Colvin, 821st Air Base Group commander, during the 821st Air Base Group change of command ceremony, June 29, 2017, at Thule Air Base, Greenland. The group operates and maintains the air base in support of missile warning, space surveillance, satellite command and control operations missions. The group provides security, communications, civil engineering, personnel, services, logistics and medical support to remote active duty units in a combined U.S., Canadian, Danish and Greenlandic environment of approximately 550 military, civilian and contractor personnel. (U.S. Air Force photo by Capt. Md Hussain)