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Boeing\u2019s beleaguered Starliner made its long-awaited return to Earth on Saturday without the astronauts who rode it up to the International Space Station, after NASA ruled the trip back too risky.<\/p>\n
After years of delays, Starliner launched in June for what was meant to be a roughly weeklong test mission \u2014 a final shakedown before it could be certified to rotate crew to and from the orbital laboratory.<\/p>\n
But unexpected thruster malfunctions and helium leaks en route to the ISS<\/a> derailed those plans, and NASA ultimately decided it was safer to bring crewmates Butch Wilmore and Suni Williams back on a rival SpaceX<\/a> Crew Dragon \u2014 though they\u2019ll have to wait until February 2025.<\/p>\n The gumdrop-shaped Boeing<\/a> capsule touched down softly at the White Sands Space Harbor in New Mexico at 0401 GMT Saturday, its descent slowed by parachutes and cushioned by airbags, having departed the ISS around six hours earlier.<\/p>\n As it streaked red-hot across the night sky, ground teams reported hearing sonic booms. The spacecraft endured temperatures of 3,000 degrees Fahrenheit (1,650 degrees Celsius) during atmospheric reentry.<\/p>\n NASA lavished praise on Boeing during a post-flight press conference where representatives from the company were conspicuously absent.<\/p>\n \u201cIt was a bullseye landing,\u201d said Steve Stich, program manager for NASA\u2019s commercial crew program. \u201cThe entry in particular has been darn near flawless.\u201d<\/p>\n Still, he acknowledged that certain new issues had come to light, including the failure of a new thruster and the temporary loss of the guidance system.<\/p>\n He added it was too early to talk about whether Starliner\u2019s next flight, scheduled for August next year, would be crewed, instead stressing NASA needed time to analyze the data they had gathered and assess what changes were required to both the design of the ship and the way it is flown.<\/p>\n Ahead of the return leg, Boeing carried out extensive ground testing to address the technical hitches encountered during Starliner\u2019s ascent, then promised \u2014 both publicly and behind closed doors \u2014 that it could safely bring the astronauts home. In the end, NASA disagreed.<\/p>\n Asked whether he stood by that decision, NASA\u2019s Stich said: \u201cIt\u2019s always hard to have that retrospective look. We made the decision to have an uncrewed flight based on what we knew at the time and based on our knowledge of the thrusters and based on the modeling that we had.\u201d<\/p>\n Even without crew aboard, the stakes were high for Boeing, a century-old aerospace giant.<\/p>\n With its reputation already battered by safety concerns surrounding its commercial jets, its long-term prospects for crewed space missions hung in the balance.<\/p>\n Shortly after undocking, Starliner executed a powerful \u201cbreakout burn\u201d to swiftly clear it from the station and prevent any risk of collision \u2014 a maneuver that would have been unnecessary if crew were aboard to take manual control if needed.<\/p>\n Mission teams then conducted thorough checks of the thrusters required for the critical \u201cdeorbit burn\u201d that guided the capsule onto its reentry path around 40 minutes before touchdown.<\/p>\n Though it was widely expected that Starliner would stick the landing, as it had on two previous uncrewed tests, Boeing\u2019s program continues to languish behind schedule.<\/p>\n In 2014, NASA awarded both Boeing and SpaceX multibillion-dollar contracts to develop spacecraft to taxi astronauts to and from the ISS, after the end of the Space Shuttle program left the US space agency reliant on Russian rockets.<\/p>\n Although initially considered the underdog, Elon Musk\u2019s SpaceX surged ahead of Boeing, and has successfully flown dozens of astronauts since 2020.<\/p>\n The Starliner program, meanwhile, has faced numerous setbacks \u2014 from a software glitch that prevented the capsule from rendezvousing with the ISS during its first uncrewed test flight in 2019, to the discovery<\/a> of flammable tape in the cabin after its second test in 2022, to the current troubles.<\/p>\n With the ISS scheduled to be decommissioned in 2030, the longer Starliner takes to become fully operational, the less time it will have to prove its worth.<\/p>\n<\/div>\nHistory of setbacks<\/h2>\n
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