Delta II | Swift
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NASA Medium-class Explorer satellite dedicated to study of gamma ray bursts, the third after the IMAGE and WMAP satellites.
Delta II is an American space launch system developed by McDonnell Douglas, now part of the Delta rocket family operated by United Launch Alliance. With more than 150 missions and a nearly perfect track record, Delta II has established itself as one of the most successful orbital launch systems.
See DetailsUnited Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spacecraft launch services to the government of the United States. ULA launches from both coasts of the US. They launch their Atlas V vehicle from LC-41 in Cape Canaveral and LC-3E at Vandeberg. Their Delta IV launches from LC-37 at Cape Canaveral and LC-6 at Vandenberg.
INFO WIKI
As of Monday, the U.S. Space Force predicted Swift would re-enter Earth's atmosphere at approximately 3:30 a.m. EST Wednesday, Nov. 4, somewhere within about 21 degrees north or south of the equator — a band that is mostly ocean.
NASA’s Neil Gehrels Swift Observatory plummeted back into Earth’s atmosphere Wednesday over western Indonesia, ending nearly 22 years in orbit for the gamma-ray burst hunter after a failed attempt to rescue it.
NASA’s Neil Gehrels Swift Observatory reentered this morning, bringing the 22-year-old mission to an end. NASA contracted with Katalyst Space in September 2025 to revamp an existing system to try […]
A commercial mission to boost NASA’s Swift observatory concluded without raising the spacecraft’s orbit, but the agency and industry vendor gained valuable experience that will benefit future in-space servicing programs.
The bold mission to extend the lifetime of NASA’s Swift observatory is coming to an end in the next 24 hours. Almost exactly one year after NASA signed a contract […]
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