Space Delta 4 leadership visits Cavalier
U.S. Space Force Col. Richard Bourquin, Space Delta 4 commander, and Lt. Col. Ryan Durand, 10th Space Warning Squadron commander, begin the safety brief of the Perimeter Acquisition Radar Attack Characterization System building at Cavalier Air Force Station, N.D., Feb. 22, 2021. During their visit to Cavalier AFS, DEL 4 leadership received a tour of the geographically-separated unit's unique missile warning operation, the 10th SWS Mission Defense Team, and more. (U.S. Space Force photo by Airman 1st Class Andrew Garavito)