A rocket ship built by Elon Musksa国际传媒檚 SpaceX company thundered away from Earth with two Americans on Saturday, ushering in a new era of commercial space travel and putting NASA back in the business of launching astronauts from U.S. soil for the first time in nearly a decade.

NASAsa国际传媒檚 Doug Hurley and Bob Behnken rode skyward aboard a sleek, white-and-black, bullet-shaped Dragon capsule on top of a Falcon 9 rocket, lifting off from the same launch pad used to send the Apollo astronauts to the moon a half-century ago. The flight had been delayed three days because of stormy weather in Florida.

sa国际传媒淟etsa国际传媒檚 light this candle,sa国际传媒� Hurley said, borrowing the words used by Alan Shepard on Americasa国际传媒檚 first human spaceflight in 1961.

The two men are scheduled to arrive at the International Space Station on Sunday for a stay of up to four months, after which they will return to Earth in a Right Stuff-style splashdown at sea.

The mission unfolded amid the gloom of the coronavirus outbreak, which has killed over 100,000 Americans, and racial unrest across the U.S. over the death of George Floyd, a handcuffed black man, at the hands of Minneapolis police. NASA officials and others held out hope the flight would would be a morale-booster.

LIVE NOW: We are launching astronauts to the from for the first time in nine years. Liftoff is at 3:22pm ET.

sa国际传媒� NASA (@NASA)

sa国际传媒淢aybe theresa国际传媒檚 an opportunity here for America to maybe pause and look up and see a bright, shining moment of hope at what the future looks like, that the United States of America can do extraordinary things even in difficult times,sa国际传媒� NASA Administrator Jim Bridenstine said before launch.

With the on-time 3:22 p.m. liftoff, SpaceX, founded by Musk, the Tesla electric-car visionary, became the first private company to launch people toward/into orbit, a feat achieved previously by only three governments: the U.S., Russia and China.

The flight also ended a nine-year launch drought for NASA, the longest such hiatus in its history. Ever since it retired the space shuttle in 2011, NASA has relied on Russian spaceships launched from Kazakhstan to take U.S. astronauts to and from the space station.

In the intervening years, NASA outsourced the job of designing and building its next generation of spaceships to SpaceX and Boeing, awarding them $7 billion in contracts in a public-private partnership aimed at driving down costs and spurring innovation. Boeingsa国际传媒檚 spaceship, the Starliner capsule, is not expected to fly astronauts until early 2021.

Musk said earlier in the week that the project is aimed at sa国际传媒渞eigniting the dream of space and getting people fired up about the future.sa国际传媒�

Ultimately, NASA hopes to rely in part on its commercial partners as it works to send astronauts back to the moon in the next few years, and on to Mars in the 2030s.

Before setting out for the launch pad in a gull-wing Tesla SUV sa国际传媒� another Musk product sa国际传媒� Behnken pantomimed a hug of his 6-year-old son, Theo, and said: sa国际传媒淎re you going to listen to Mommy and make her life easy?sa国际传媒� Hurley blew kisses to his 10-year-old son and wife.

Inside Kennedy Space Center, attendance was strictly limited because of the coronavirus, and the small crowd of a few thousand was a shadow of what it would have been without the threat of COVID-19. President Donald Trump and Vice-President Mike Pence flew in for the event for the second time in four days.

By NASAsa国际传媒檚 count, over 3 million viewers tuned in online.

Despite NASAsa国际传媒檚 insistence that the public stay safe by staying home, spectators gathered along beaches and roads hours in advance.

Among them was Neil Wight, a machinist from Buffalo, New York, who staked out a view of the launch pad from a park in Titusville.

sa国际传媒淚tsa国际传媒檚 pretty historically significant in my book, and a lot of other peoplesa国际传媒檚 books. With everything thatsa国际传媒檚 going on in this country right now, itsa国际传媒檚 important that we do things extraordinary in life,sa国际传媒� Wight said. sa国际传媒淲esa国际传媒檝e been bombarded with doom and gloom for the last six, eight weeks, whatever it is, and this is awesome. It brings a lot of people together.sa国际传媒�

The astronauts were kept in quasi-quarantine for more than two months before liftoff. The SpaceX technicians who helped them get into their spacesuits wore masks and gloves that made them look like black-clad ninjas. And at the launch centre, the SpaceX controllers were seated far apart.

Hurley, a 53-year-old retired Marine, and Behnken, 49, an Air Force colonel, are veterans of two space shuttle flights each. Hurley piloted the space shuttle on the last launch of astronauts from Kennedy, on July 8, 2011.

In keeping with Musksa国际传媒檚 penchant for futuristic flash, the astronauts wore angular white uniforms with black trim. Instead of the usual multitude of dials, knobs and switches, the Dragon capsule has three large touchscreens.

SpaceX has been launching cargo capsules to the space station since 2012. In preparation for Wednesdaysa国际传媒檚 flight, SpaceX sent up a Dragon capsule with only a test dummy aboard last year, and it docked smoothly at the orbiting outpost on autopilot, then returned to Earth in a splashdown.

During the Mercury, Gemini, Apollo and shuttle programs, NASA relied on aerospace contractors to build spacecraft according to the agencysa国际传媒檚 designs. NASA owned and operated the ships.

Under the new, 21st-century partnership, aerospace companies design, build, own and operate the spaceships, and NASA is essentially a paying customer on a list that could eventually include non-government researchers, artists and tourists. (Tom Cruise has already expressed interest.)

sa国际传媒淲hat Elon Musk has done for the American space program is he has brought vision and inspiration that we hadnsa国际传媒檛 hadsa国际传媒� since the shuttlesa国际传媒檚 retirement in 2011, Bridenstine said on the eve of launch. He called the SpaceX chief sa国际传媒渂rilliantsa国际传媒� and said Musk has sa国际传媒渁bsolutely deliveredsa国际传媒� for NASA.

The mission is technically considered by SpaceX and NASA to be a test flight. The next SpaceX voyage to the space station, set for the end of August, will have a full, four-person crew: three Americans and one Japanese.

Wednesdaysa国际传媒檚 first human flight was originally targeted for around 2015. But NASAsa国际传媒檚 commercial crew program encountered bureaucratic delays and technical setbacks.

A SpaceX capsule exploded on the test stand last year. Boeingsa国际传媒檚 first Starliner capsule ended up in the wrong orbit during an crew-less test flight in December and was nearly destroyed at the missionsa国际传媒檚 end. Both companies had trouble with such things as the landing parachutes.

Marcia Dunn, The Associated Press

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