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The Pegasus XL with fairing removed exposing payload bay and the IBEX satellite. The Pegasus XL, introduced in 1994 has lengthened stages to increase payload performance. [12] In the Pegasus XL, the first and second stages are lengthened into the Orion 50SXL and Orion 50XL, respectively. Higher stages are unchanged; flight operations are similar.
The first Pegasus launch to use Stargazer was conducted on June 27, 1994, as the maiden flight of the Pegasus-XL. Previous launches used the NASA-operated Boeing B-52 nicknamed "Balls 8," which was also used for four subsequent launches, as the original Pegasus could not be launched from Stargazer due to clearance issues.
Pegasus XL: Reagan Test Site, Kwajalein Atoll: 2009 [19] 2009.02.06 National Oceanic and Atmospheric Administration-N Prime (NOAA-N Prime) Delta II 7320-10C Vandenberg AFB Space Launch Complex 2 West (VAFB SLC-2W) 1 of 19 for $1200 [16] 2009.02.24 Orbiting Carbon Observatory (OCO) [launch failure] Taurus XL: Vandenberg AFB Launch Complex 576 ...
Launch of CYGNSS on a Pegasus-XL. The CYGNSS mission was launched on December 15, 2016, at 13:37:21 UTC from a single Pegasus XL air-launched rocket. The rocket was deployed from a customized Lockheed L-1011 aircraft, Orbital ATK 's Stargazer, from a position 201 kilometers (125 mi) off the coast of Cape Canaveral, Florida.
[46] [47] A subsequent goal was to carry up to three Orbital ATK "Pegasus XL" rockets for high-altitude launches by 2022, [48] [49] before the retargeting to hypersonic flight. Within Scaled Composites, its model number is M351. [50] It is nicknamed "Roc" after the mythical bird, said to be large enough to carry an elephant. [39]
The IBEX satellite was mated to its Pegasus XL launch vehicle at Vandenberg Air Force Base, California, and the combined vehicle was then suspended below the Lockheed L-1011 Stargazer mother airplane and flown to Kwajalein Atoll in the central Pacific Ocean. [9] Stargazer arrived at Kwajalein Atoll on 12 October 2008. [8]
It was launched on 6 December 1998, at 00:57:54 UTC, from Vandenberg Air Force Base aboard a Pegasus XL launch vehicle. [1] The telescope was designed by the Smithsonian Astrophysical Observatory (SAO) and integrated by Ball Aerospace, while the spacecraft was built by NASA's Goddard Space Flight Center (GSFC). [2]
Wide-field Infrared Explorer (WIRE, also Explorer 75 and SMEX-5) was a NASA satellite launched on 5 March 1999, on the Pegasus XL launch vehicle into polar orbit between 409 and 426 km (254 and 265 mi) above the surface of Earth.