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Space Delta 2 changes command

U.S. Space Force Lt. Gen. Stephen Whiting, Space Operations Command commander, left, passes the Space Delta 2 guidon to U.S. Space Force Col. Mark Brock at a change of command ceremony at Peterson Air Force Base, Colorado, June 14, 2021.

U.S. Space Force Lt. Gen. Stephen Whiting, Space Operations Command commander, left, passes the Space Delta 2 guidon to U.S. Space Force Col. Mark Brock at a change of command ceremony at Peterson Air Force Base, Colorado, June 14, 2021. As the new commander of Space Delta 2 – Space Domain Awareness, Brock became responsible for overseeing DEL 2 operations and executing combat-ready Space Domain Awareness. SDA operations have been the key to deter aggression and, if necessary, defend the U.S. and its allies from attacks in, through and from space.

man receiving award

U.S. Space Force Lt. Gen. Stephen Whiting, Space Operations Command commander, left, awards U.S. Space Force Col. Matthew Cantore outgoing Space Delta 2 – Space Domain Awareness commander with the Legion of Merit at Peterson Air Force Base, Colorado, June 14, 2021. Cantore received the Legion of Merit for his exceptionally meritorious conduct in the performance of outstanding services during his command of DEL 2. (U.S. Space Force photo by Senior Airman Andrew Bertain)

man speaking to crowd

U.S. Space Force Col. Marc Brock, incoming Space Delta 2– Space Domain Awareness commander, addresses the audience during a change of command ceremony at Peterson Air Force Base, Colorado, June 14, 2021. Brock assumed command of the DEL 2 from Col. U.S. Space Force Col. Matthew Cantore, and is tasked with leading the critical mission of maintaining SDA. (U.S. Space Force photo by Senior Airman Andrew Bertain)

men laughing

U.S. Space Force Col. Matthew Cantore, left, outgoing Space Delta 2 – Space Domain Awareness commander, laughs with U.S. Space Force Col. Marc Brock, incoming DEL 2 commander, during their change of command ceremony at Peterson Air Force Base, Colorado, June 14, 2021. DEL 2, tasked with providing SDA, is focused on preparing combat-minded warfighters and readying cutting-edge weapons systems; presenting combat-ready forces and equipment; and if deterrence fails, fighting to protect and defend the space domain. (U.S. Space Force photo by Senior Airman Andrew Bertain)

PETERSON AIR FORCE BASE, Colo. --

Space Delta 2 – Space Domain Awareness held its change of command at 2 p.m. June 14 at Peterson Air Force Base.

U.S. Space Force Col. Matthew Cantore relinquished command to incoming commander U.S. Space Force Col. Marc Brock. Prior to taking command of Space Delta 2, Brock was the chief of the Programs Division, Directorate of Plans, Programs and Financial Management, Headquarters Space Operations Command, also located at Peterson AFB.

Space Delta 2, part of the newly developed U.S. Space Force, has the significant task of providing Space Domain Awareness by monitoring all manmade objects orbiting the Earth. SDA ranges from low Earth orbit, to geosynchronous orbits 22,500 miles out, and beyond. Within that realm lies thousands of objects hurtling around the globe at speeds up to 17,500 mph. Space Delta 2 monitors and catalogs those objects to protect and defend U.S. and ally interests in, from and to space.

Space Delta 2 also has mission personnel and functions distributed across California, Florida, New Mexico, Hawaii, Alabama, Virginia, and Maryland in addition to multiple supporting locations around the world including Australia, Diego Garcia and the Marshall Islands.