Vanguard | Vanguard
Launch Failure
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Instantaneous launch window.
Launch Window
April 29, 1958, 2:53 a.m. - April 29, 1958, 2:53 a.m.
Instantaneous launch window.
April 29, 1958, 2:53 a.m. - April 29, 1958, 2:53 a.m.
Small satellite used to test the Vanguard three-stage launch vehicle.
The Vanguard rocket was intended to be the first launch vehicle the United States would use to place a satellite into orbit. Instead, the Sputnik crisis caused by the surprise launch of Sputnik 1 led the U.S., after the failure of Vanguard TV3, to quickly orbit the Explorer 1 satellite using a Juno I rocket, making Vanguard I the second successful U.S. orbital launch.
Lockheed Martin's Space Division started in the production of missiles and later ICBM's in the 1950s. Their TITAN missile system was used for 12 Gemini spacecraft and the Voyager probes. They have worked largely in collaboration with NASA on many of their probes, landers, and spacecraft, and hope to play a key role in NASA's return to the moon in 2024.
INFO WIKIA batch of 23 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Malligyong-1c (meaning "Telescope-1") is the third attempt by North Korea to launch a satellite officially declared to be for military reconnaissance…
A batch of 22 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Second test flight of the two-stage Starship launch vehicle. The booster is expected to separate 170 seconds into flight and return to land approxima…
A batch of 23 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Next generation Chinese ocean color measurements satellite to study ocean ecology and effects on biological cycles and the climate.
Fifth and sixth of a constellation of eleven high-throughput communications satellites in Medium Earth Orbit (MEO) built by Boeing and operated by SE…
Transporter 9 mission is a dedicated rideshare flight to a sun-synchronous orbit with dozens of small microsatellites and nanosatellites for commerci…
29th commercial resupply services mission to the International Space Station operated by SpaceX. The flight will be conducted under the second Commer…
Geostationary direct broadcasting comsat for China Satcom in the C and Ku bands. Replaces ChinaSat 6B launched in 2007.