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As the Air Force's space-lift modernization program, EELV was designed to reduce launch cost by at least 25 percent over heritage Atlas, Delta and Titan space launch systems. LTRS consists of ground-based surveillance, navigation, flight operations and analysis, command and control, communications and weather assets located at the Eastern Range ...
Launch Complex 576E (LC-576E or SLC-576E) is a launch pad located at Vandenberg Space Force Base near Lompoc, California.Part of the ABRES series of launch complexes, [1] the pad was originally designed and built for the launching and testing of SM-65 Atlas ICBMs as part of the Western Range, and now serves as a orbital launch site for the Minotaur-C launch vehicles.
Vandenberg Space Launch Complex 6 (SLC-6, pronounced "Slick Six") is a launch pad and associated support infrastructure at Vandenberg Space Force Base in California. Construction at the site began in 1966, but the first launch didn't occur until 1995 due to program cancellations and subsequent repurposing efforts.
Vandenberg Space Force Base Launch Facility 10 (LC-10) is a US Air Force Intercontinental ballistic missile launch facility on Vandenberg SFB, California, USA. [1] It is a launch site for the land-based LGM-30 Minuteman ICBMs.
Launch site for Cyclone-4M and possibly for Ariane 62 or Vega C [57] [58] Greenland ( Denmark) Pituffik Space Base: 1964–1980 Former US Air Force launch site [59] United States: Clark University Physics Laboratory, Worcester, Massachusetts
Used by: Thor-Delta. First launch 16 April 1959, last launch 19 June 1962. Originally a Thor 75 SMS PGM-17 Thor IRBM pad 75-2-8. Used by RAF for launch training. Number of launches 7. Upgraded for use as a launch emplacement in 1961, inactivated in June 1962 after 2 RAF test launches. [7] PLC-C
This is the coordinate system normally used to calculate the position of the Sun in terms of solar zenith angle and solar azimuth angle, and the two parameters can be used to depict the Sun path. [3] This calculation is useful in astronomy, navigation, surveying, meteorology, climatology, solar energy, and sundial design.
A 2021 publication [8] about solar geometry first calculates the x-, y-, and z-component of the solar vector, which is a unit vector with its tail fixed at the observer's location and its head kept pointing toward the Sun, and then uses the components to calculate the solar zenith angle and solar azimuth angle. The calculated solar vector at 1 ...