The 233d Space Group (233SG) is a unit of the Colorado Air National Guard located at Greeley Air National Guard Station, Greeley, CO. The 233d Space Group provides immediate, worldwide missile warning as well as space launch and detection in the event of an attack against the United States. If activated to federal service, the Wing is gained by the United States Air Force or United States Space Force depending on decisions made in the hopefully near future by military leaders and Congress.

The 140th Wing is a unit of the Colorado Air National Guard, stationed at Buckley Space Force Base, Aurora, Colorado. If activated to federal service, the Wing is gained by the United States Air Force Air Combat Command.