Category
page 1Military space program of the United States
United States Space Force
space warfare branch of the United States Armed Forces
Strategic Defense Initiative
defunct American missile defense system (1984-1993)
Boeing X-37
family of American uncrewed military air and space vehicles
Delta IV
expendable launch system in the Delta rocket family
Delta
family of expendable launch systems
Titan
American rocket family
Vela
group of satellites
Transit
satellite navigation system
Corona
series of American strategic reconnaissance satellites
United States Space Command
unified command of the US Department of Defense
Manned Orbiting Laboratory
cancelled United States Air Force space station
Boeing X-40A
American flight test vehicle used to support the X-37 program
Golden Dome
missile defense system
Defense Support Program
program of the United States Space Force
Thor
American rocket family
Space-Based Infrared System
American early warning system
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Geosat
The GEOSAT (GEOdetic SATellite) was a U.S. Navy Earth observation satellite, launched on March 12, 1985 into an 800 km, 108° inclination orbit, with a nodal period of about 6040 seconds. The satellite carried a radar altimeter capable of measuring the distance from the satellite to sea surface with a relative precision of about 5 cm. Its 18-month initial phase was a classified Geodetic Mission with a near-23-day repeat that was intended to replicate the orbit of the short-lived Seasat. After this, the satellite was maneuvered into a near-17-day exact repeat for oceanographic research

Thor-Agena
Thor-Agena was a series of orbital launch vehicles. The launch vehicles used the Douglas-built Thor first stage and the Lockheed-built Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Defense Meteorological Satellite Program
monitoring program for the Department of Defense
Advanced Extremely High Frequency
United States military communications satellite constellation

Lacrosse
series of American reconnaissance satellites

Wideband Global SATCOM system
defense satellite communications project
Missile Defense Alarm System
Satellite early warning system
Milstar
Milstar (Military Strategic and Tactical Relay) is a constellation of military communications satellites in geosynchronous orbit, which are operated by the United States Space Force, and provide secure and jam-resistant worldwide communications to meet the requirements of the Armed Forces of the United States. Six spacecraft were launched between 1994 and 2003, of which only five were operational after launch; the third launch failed, both damaging the satellite and leaving it in an unusable orbit.
Mobile User Objective System
US Space Force communications satellite system
Naval Ocean Surveillance System
series of signals intelligence satellites of the U.S. Navy
Blue Gemini
United States Air Force spaceflight project
Starshield
SpaceX satellite series aimed at government customers
MiTEx
thumb|MiTEx launching from Cape Canaveral Air Force Station|CCAFS on a [[Delta II.]]
thumb|MiTEx mission patch
UHF Follow-On
US Department of Defense program to provide communication between troops on the ground, on water or in the air