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The 21st Space Wing at Peterson Air Force Base, Colorado, is the Air Force's most geographically-dispersed wing, and the fifth largest wing in the Air Force by number of units.

We literally cover the world with our operations. Click here for the wing fact sheet.

The 21st Space Wing provides missile warning and space control to North American Aerospace Defense Command and U.S. Strategic Command through a network of command and control units and ground and space-based sensors operated by geographically separated units around the world.