The Initial Defense Communications Satellite Program or IDCSP was the first United States Department of Defense communications satellite constellation...

The Defense Satellite Communications System (DSCS) is a United States Space Force satellite constellation that provides the United States with military...

USA-350 and USA-351. Defense Satellite Communications System Militarisation of space Rocket Cargo, other U.S. Space Force program involving SpaceX Starlink...

customized satellite communications for the military. This is under the Space Force's new "Proliferated Low Earth Orbit" program for LEO satellites, where...

The Defense Information Systems Agency (DISA), known as the Defense Communications Agency (DCA) until 1991, is a United States Department of Defense (DoD)...

Iridium Communications Inc. (formerly Iridium Satellite LLC) is a publicly traded American company headquartered in McLean, Virginia, United States. Iridium...

identical orbits (see satellite formation flying); satellite series or satellite programs (such as Landsat), which are generations of satellites launched in succession;...

A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication...

The Geostationary Satellite for Defense and Strategic Communications (Portuguese: Satélite Geoestacionário de Defesa e Comunicações Estratégicas, or SGDC)...

military communications. The first military satellites were photographic reconnaissance missions. Some attempts were made to develop satellite based weapons...

pursue new concepts for small, lightweight satellites (LIGHTSAT) and directed new programs regarding defense manufacturing, submarine technology, and armor/anti-armor...

permitting communications between two types of ground station. This would be an advance over the ongoing U.S. Interim Defense Communication Satellite Program (IDCSP)...

syndrome. The development and design of anti-satellite weapons has followed a number of paths. The initial efforts by the United States and the Soviet...

missiles en route to the US homeland. Data are transmitted from the defense satellite communication system, and compiles an image using the coordinated...

U.S. Department of Defense in 1973. The first prototype spacecraft was launched in 1978 and the full constellation of 24 satellites became operational...

self-funded company focuses on developing communications and signal processing systems. The acquisition of the satellite networking business of Scientific-Atlanta...

maintenance of a variety of United States Department of Defense and some non-DoD satellites. This involves continual execution of Telemetry, Tracking...

the Initial Defense Communications Satellite Program (IDCSP) in 1962, launching constellations from 1966 to 1968. the IDCSP, also known as the Defense Satellite...

sensing, scientific and defense missions; ground- and air-launched launch vehicles that delivered satellites into orbit; missile defense systems that were used...

hundreds of combat centers and satellites spanning the globe. The US held a significant advantage in advanced missile defense systems through decades of extensive...

Ballistic Missile Defense System. Although primarily designed as an anti-ballistic missile, the SM-3 has also been employed in an anti-satellite capacity against...

constellation of communications satellites operated by the United States Space Force. They are used to relay secure communications for the United States...

operates a satellite fleet consisting of a large number of communications, navigation, remote sensing and scientific research satellites. The scope of...

China's anti-satellite (ASAT) program has been under development since 1964. The ASAT program has since been moved from Program 640 to Program 863, the General...

(Misidentified as Satellite and Missile Observation System) or SAMOS-E program was a relatively short-lived series of reconnaissance satellites for the United...

first commercial communications satellite was Telstar 1, built by Bell Labs and launched in July 1962. The idea of a geosynchronous satellite—one that could...

capabilities such as communications, surveillance, global navigation, battle management, deterrence, and missile defense. The satellite constellation is to...

the initial 11 signatories to the Moon Treaty. In 1974, the Philippines planned to use satellites to improve communications. The leasing of satellites from...

Data is transmitted through a network of communications satellites; the Satellite Data System (SDS). The initial ground station for the processing of the...

"synchronous communication satellite") started as a 1961 NASA program for active geosynchronous communication satellites, all of which were developed...