Prospects for an on-time liftoff hinged on the weather, with U.S. Air Force forecasters on Wednesday morning citing a 50% chance that thick clouds over eastern Florida could force a postponement.
The next launch opportunity is May 30 at 3:22 p.m. The official launch time, 4:33pm EDT (that's 9:33pm BST for everyone in the UK), is just under an hour from now, and we have the launch live stream video embedded below.
NASA's Wallops Flight Facility in Accomack County says the facility would have played a key role in today's launch and would have provided support by collecting telemetry. SpaceX has launched unmanned ships to deliver supplies to the space station, but this will be the first time SpaceX launches a ship into orbit with humans aboard.
Joe Biden makes first public appearance since March 15
I think people are sitting around hoping that Trump loses instead of going out there and actually beating him. Mr Biden has not made an official public appearance since he cancelled a rally in Cleveland on 10 March.
The timing of the launch window was crucial in order for the astronauts to dock with the space station as its orbit carried it overhead in Florida.
NASA operators are now concerned about the weather, but waiting for more information before calling off the launch due to weather conditions.
Ever since the space shuttle program was retired in 2011, NASA has relied on Russian spaceships launched from Kazakhstan to take USA astronauts to and from the space station.
SpaceX to launch historic Nasa astronaut mission
If successful, NASA hopes today's trip will enable them to contract out all future crew transportation to the commercial sector. These monitors help the astronauts control the mechanics of the spacecraft and navigate their way to the ISS.
Doug Hurley and Bob Behnken were the two Americans selected for the historic launch and are two of NASA's most experienced astronauts.
NASA has assigned two of its most experienced astronauts, Douglas Hurley and Robert Behnken, to the upcoming SpaceX mission.
The launch will be the first time since the space shuttle fleet was retired in 2011 that Americans will fly into space from US soil.
The launch broadcast commentators are: Marie Lewis, Dan Huot, Gary Jordan, Derrol Nail, and Tahira Allen from NASA; and Lauren Lyons, John Insprucker, and Jessie Anderson from SpaceX; with special guest host and former NASA astronaut Leland Melvin. "When people put this spacesuit on, he wants them to look better than they did without it, like a tux", Fernandez said. "We appreciate your resilience sitting there in the vehicle for us", launch controllers told the crew. The astronauts then emerged from the building, waved to family members and onlookers including Vice President Mike Pence and hopped into a Tesla vehicle to drive to the launch pad.
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Testing is available to Hoosiers who have symptoms of COVID-19 and those who have been exposed and need a test to return to work. Wayne County has surpassed 1,000 cases of COVID-19 as of Tuesday morning, according to Wayne County Government.