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After a brief hangup caused by wayward fumes given off by propellant, the Crew Dragon opened its hatch and Behnken and Hurley took their first steps into Earth's gravity after spending two months in the zero-G environment of space.
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Behnken waved to the cameras before heading to his medical check up. Hurley followed shortly after and flashed a thumb's up.
The astronauts are now on board SpaceX's GO Navigator recovery vessel and will soon take a helicopter flight back to terra firma.
"Thanks for doing the most difficult part and the most important part," Hurley said to mission control shortly before departing.
Spending two months in microgravity, then enduring a jarring trip home, can make readjusting difficult.
NASA astronaut Garret Reisman, who helped SpaceX develop Crew Dragon, said it took him about 15 minutes to sit up and another 15 to be able to stand after he returned to Earth after Space Shuttle missions.
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6park.com17 min agoFumes coming from Crew Dragon delay astronaut departureFrom CNN Business' Jackie Wattles
The Crew Dragon recovery team has detected small amounts of NTO, or nitrogen tetroxide, a potentially toxic propellant used in the capsule's onboard rocket engines.
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The levels aren't high enough to be dangerous to humans, according to SpaceX and NASA officials. And the air inside the spacecraft is clean.
But the safety teams want to put the issue to bed before the astronauts are allowed to disembark. 6park.com 6park.com
6park.com1 hr 6 min agoThe 'Dragon's nest' approachesFrom CNN Business' Jackie Wattles
The recovery ship GO Navigator has closed in on the Crew Dragon spacecraft, with astronauts Doug Hurley and Robert Behnken still strapped inside. 6park.com
At the ship's rear is a large rig that has plucked the spacecraft out of the ocean and nestled it in an onboard dock, nicknamed the Dragon's nest.
Soon after it's on board, Behnken and Hurley will disembark and take their first steps back onto their home planet. 6park.com 6park.com
6park.com1 hr 25 min agoShips to the rescueFrom CNN Business' Jackie Wattles
Two small boats swooped in immediately after splashdown. One is checking to make sure there are no toxic fumes around the Crew Dragon capsule. The other is working to drag the spacecraft's parachutes out of the ocean.
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Waiting in the wings is GO Navigator, a much larger vessel with a rig that can haul the Crew Dragon spacecraft itself out of the ocean.
Hurley and Behnken will disembark after their vehicle is safely on board. That's expected to happen in less than an hour. 6park.com 6park.com
6park.com1 hr 34 min agoMission control to astronauts: 'Thank you for flying SpaceX'From CNN Business' Jackie Wattles
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The first words from mission control to the astronauts were a humorous welcome home: "Thank you for flying SpaceX."
The astronauts had a cheerful message for their flight doctors waiting to check them out as well:
"Let them know we're feeling good." 6park.com
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