US President Donald Trump and Vice President Mike Pence were scheduled to visit Florida's Cape Canaveral to view the launch in person.
Last time NASA launched astronauts into space aboard a brand new vehicle was 40 years ago
SpaceX, the private rocket company of billionaire entrepreneur Elon Musk, was set to launch two Americans into orbit on Wednesday from Florida on a mission that would mark the first spaceflight of NASA astronauts from US soil in nine years. A SpaceX Falcon 9 rocket was due to lift off from the Kennedy Space Center at 4:33 pm EDT (02:03am IST, Thursday), launching Doug Hurley and Bob Behnken on a 19-hour ride aboard the company's newly designed Crew Dragon capsule to the International Space Station.
They were to blast off from the same launch pad used by NASA's final space shuttle flight, piloted by Hurley, in 2011. President Donald Trump and Vice President Mike Pence were scheduled to visit Florida's Cape Canaveral to view the launch in person.
Prospects for an on-time liftoff hinged on the weather, with forecasters late on Monday citing a 40 percent chance that storms over eastern Florida could force a postponement. If that happens, the next launch window would be Saturday afternoon.
A successful mission would achieve NASA's top priority, as articulated by agency chief Jim Bridenstine, of resuming launches of "American astronauts on American rockets from American soil." Over the past nine years, NASA astronauts have had to hitch rides into orbit aboard Russia's Soyuz spacecraft.
For Musk, Thursday's launch represents another milestone for the reusable rockets his company pioneered to make spaceflight less costly and frequent. It would also mark the first time that commercially developed space vehicles - owned and operated by a private entity rather than NASA - have carried Americans into orbit.
The last time NASA launched astronauts into space aboard a brand new vehicle was 40 years ago at the start of the shuttle program.
Musk, the South African-born high-tech entrepreneur who made his fortune in Silicon Valley, is also the CEO of electric carmaker and battery manufacturer Tesla.
Hurley, 53, and Behnken, 49, NASA employees under contract to fly with SpaceX, are expected to remain at the space station for several weeks, assisting a short-handed crew aboard the orbital laboratory.
Aerospace giant Boeing, producing its own space launch vehicles in competition with SpaceX for NASA business, is expected to launch its CST-100 Starliner vehicle with astronauts aboard for the first time next year.
NASA has awarded nearly $8 billion (roughly Rs. 60,555 crores) to SpaceX and Boeing combined for development of the rival space launch systems.
Bridenstine declared the manned SpaceX flight a "go" last week after NASA and the company convened for final engineering checks.
The Hawthorne, California-based rocket company, founded by Musk in 2002 and formerly known as Space Exploration Technologies, has never previously flown humans into orbit, only cargo.
SpaceX successfully tested Crew Dragon without astronauts last year in its first orbital mission to the space station, but that vehicle was destroyed the following month during a ground test when a valve for its in-flight abort system failed, causing an explosion. The ensuing nine-month investigation ended in January.
© Thomson Reuters 2020
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