Thor-Burner
Encyclopedia
The Thor-Burner was an American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 expendable launch system
Expendable launch system
An expendable launch system is a launch system that uses an expendable launch vehicle to carry a payload into space. The vehicles used in expendable launch systems are designed to be used only once , and their components are not recovered for re-use after launch...

, a member of the Thor family. It consisted of a Thor
PGM-17 Thor
Thor was the first operational ballistic missile of the U.S. Air Force . Named after the Norse god of thunder, it was deployed in the United Kingdom between 1959 and September 1963 as an intermediate range ballistic missile with thermonuclear warheads. Thor was in height and in diameter. It was...

 missile, with one or two Burner
Burner (rocket stage)
The Burner and Burner 2 rocket stages have been used as upper stages of launch vehicles such as the Thor-Burner and Delta since 1965. The currently available Burner 2 is powered by a Star 37 solid rocket motor....

 upper stages. It was used between 1965 and 1976, to orbit a number of satellites, most commonly DMSP
Defense Meteorological Satellite Program
The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...

 weather satellites. Twenty-four were launched, of which two failed. Each launch cost 11.890 million 1985 US Dollars. It weighed 51,810 kg and was 24 metres tall.

Burner 1 and Altair

The Burner 1 stage was an Altair
Altair (rocket stage)
The Altair was a solid-fuel rocket with a fiberglass casing, initially developed for use as the third stage of Vanguard rockets. It was manufactured by Allegany Ballistics Laboratory as the X-248. It was also sometimes called the Burner 1.-Uses:...

 rocket stage as used for the third stage of some Vanguard launch vehicles, but equipped by Boeing
Boeing
The Boeing Company is an American multinational aerospace and defense corporation, founded in 1916 by William E. Boeing in Seattle, Washington. Boeing has expanded over the years, merging with McDonnell Douglas in 1997. Boeing Corporate headquarters has been in Chicago, Illinois since 2001...

 with 3-axis control.

This combination was used for six vehicles. The first was launched 1965-01-18 and the sixth 1966-03-30. These were early launches of classified Defense Meteorological Satellite Program
Defense Meteorological Satellite Program
The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...

satellites. One of these launches failed.

Burner 2

The Burner 2 used with the Thor-Burner was the first solid-fuel upper-stage vehicle used for general space applications that had full control and guidance capability. The first Burner II flight was on 1966-09-15.
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