  |
North American Aerospace Defense Command (NORAD) - http://www.norad.mil/
Contains overview of missions with facts, news, staff matters and outreach for children. A joint US and Canadian agency providing surveillance of man-made objects in space. |
| |
USA National Reconnaissance Office - http://www.nro.gov/
Includes overview, outreach program, news and links. The organization designs, builds and operates US reconnaissance satellites for customers like the Central Intelligence Agency (CIA) and the Department of Defense (DoD). |
| |
Space and Missile Defense Command - http://www.smdc.army.mil/
Includes a variety of information on operations, organization, personnel matters and photo galleries of the US army's space command. |
| |
National Security Space Office - http://www.acq.osd.mil/nsso/
Introduction page by the responsible for integrating U.S. Department of Defense and Intelligence Community space system architectures for future space programs. |
 |
Cheyenne Mountain Operations Center - https://www.cheyennemountain.af.mil/
Includes facts, mission overview and photos of this unique site for joint US and Canadian missile warning and space operations. |