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Vanguard II

Vanguard

US Navy

Launch Status
Success

Mission

Vanguard II

Type: Earth Science

Vanguard II is an Earth orbiting satellite and the first weather satellite. It was designed to measure cloud-cover distribution over the daylight portion of its orbit for a period of 19 days and to provide information on the density of the atmosphere.

Location

Launch Complex 18A

Cape Canaveral, FL, USA

865 rockets have launched from Cape Canaveral, FL, USA.

Launch Complex 18A, Cape Canaveral, FL, USA

Rocket

Vanguard – Lockheed Martin

Family: Vanguard
Length: 23 m
Diameter: 1.14 m
Launch Mass: 10 T
Low Earth Orbit Capacity: 9 kg

The Vanguard was manufactured by Lockheed Martin with the first launch on 1957-10-23. Vanguard has 3 successful launches and 8 failed launches with a total of 11 launches. 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.

Agency

US Navy

Type: Government
Abbreviation: USN

Founded: 1963

Spacecraft: Vanguard 1-3 | Parker Solar Probe
Country: USA

The Navy was competed with the Army to put the first American satellite into orbit. Their first two Vanguard missions failed, with the second being a highly publicized failure, as it exploded on the launchpad. They went on to put 3 satellites into orbit but did not beat the Army to be the first. Their work in space continues today largely on military satellites.

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