CAPE CANAVERAL, Fla. - Wind gusts have temporarily delayed the launch of the Orion spacecraft with less than four minutes left in the countdown Thursday.
'This is not a show-stopper,' launch commentator Mike Curie stressed, noting that NASA has a 2 ½ hour window to launch the new spacecraft.
Just minutes earlier, a boat strayed into the launch danger zone and a minor rocket issue prevented the unmanned rocket from making its scheduled 7:05 a.m. launch.
NASA has 2 ½ hours to launch the unmanned Delta IV (four) rocket from Cape Canaveral. On board is Orion, a capsule meant to usher in a new era of human exploration for NASA. It's the first test flight for the spacecraft.
NASA tweeted that the launch window has been extended until 9:44 a.m.
There is a wind launch violation for #Orion. We are in a hold. Not a show stopper. Window extends until 9:44am/14:44 UTC.
- NASA (@NASA) December 4, 2014
It's the first attempt to send a spacecraft capable of carrying humans beyond a couple hundred miles of Earth since the Apollo moon program.
The ultimate goal, in the decades ahead, is to use Orion to carry people to Mars and back.
NASA anticipated 26,000 guests for the historic send-off - the roads leading into Kennedy Space Center were packed well before dawn - and the atmosphere was reminiscent of the shuttle-flying days. 'Go Orion!!' urged a hotel billboard in nearby Cocoa Beach.
Launch commentator Mike Curie noted Thursday was the 16th anniversary of the launch of the first U.S. piece of the International Space Station, by shuttle Endeavour. 'That was the beginning of the space station, and today is the dawn of Orion,' he said.
Orion is aiming for two orbits on this inaugural run. On the second lap around the home planet, the spacecraft should reach a peak altitude of 3,600 miles, high enough to ensure a re-entry speed of 20,000 mph and an environment of 4,000 degrees. Splashdown will be in the Pacific off the Mexican Baja coast, where Navy ships already are waiting.
NASA's Mission Control in Houston was all set to oversee the entire 4½-hour operation. The flight program was loaded into Orion's computers well in advance, allowing the spacecraft to fly essentially on autopilot. Flight controllers could intervene in the event of an emergency breakdown.
The spacecraft is rigged with 1,200 sensors to gauge everything from heat to vibration to radiation. At 11 feet tall with a 16.5-foot base, Orion is bigger than the old-time Apollo capsules and, obviously, more advanced. As NASA's program manager Mark Geyer noted, 'The inside of the capsule is totally different.'
NASA deliberately kept astronauts off this first Orion.
Managers want to test the riskiest parts of the spacecraft - the heat shield, parachutes, various jettisoning components - before committing to a crew. The earliest Orion might carry passengers is 2021; asteroids are on the space agency's radar sometime in the 2020s and Mars, the grand prize, in the 2030s.
Lockheed Martin Corp., which is handling the $370 million test flight for NASA, opted for the powerful Delta IV rocket this time around. Future Orion missions will rely on NASA's still-in-development megarocket known as SLS, or Space Launch System. The first Orion-SLS combo launch is targeted for 2018.
NASA's last trip beyond low-Earth orbit in a vessel built for people was Apollo 17 in December 1972.
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Entities 0 Name: NASA Count: 12 1 Name: Orion Count: 9 2 Name: Mike Curie Count: 2 3 Name: CAPE CANAVERAL Count: 2 4 Name: UTC Count: 1 5 Name: Houston Count: 1 6 Name: Mission Control Count: 1 7 Name: Cocoa Beach Count: 1 8 Name: Pacific Count: 1 9 Name: SLS Count: 1 10 Name: The Associated Press Count: 1 11 Name: Mark Geyer Count: 1 12 Name: U.S. Count: 1 13 Name: Mexican Baja coast Count: 1 14 Name: Delta Count: 1 15 Name: Navy Count: 1 16 Name: Earth Count: 1 17 Name: Fla. Count: 1 18 Name: Lockheed Martin Corp. Count: 1 Related 0 Url: http://ift.tt/1vFragp Title: NASA launching new Orion spacecraft on test flight, Thursday debut paving way for Mars visits Description: NASA's quest to send astronauts out into the solar system begins this week with a two-laps-around-Earth test flight. The new Orion spacecraft is not going to Mars just yet; Thursday's debut will be unmanned and last just 4½ hours.
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