Boeing’s CST-100 Starliner spacecraft is in orbit on its first crewed flight after two recent launch scrubs and years of development delays.

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A last-minute problem scrubbed the Atlas 5 launch of Boeing’s CST-100 Starliner on its first crewed flight June 1.

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NASA and Boeing are preparing for a June 1 launch of the company’s CST-100 Starliner on a crewed test flight after analysis of a helium leak led to the discovery of a “design vulnerability” in the spacecraft’s propulsion system.

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The first crewed flight of Boeing’s CST-100 Starliner will be delayed at least another week and a half to replace a faulty valve in its Atlas 5 launch vehicle.

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Launch controllers scrubbed the first attempt to launch Boeing’s CST-100 Starliner on a crewed test flight May 6 because of a valve problem with the rocket.

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The upcoming launch of Boeing’s CST-100 Starliner will mark not just the first time the spacecraft has carried astronauts but also the first crewed launch of the Atlas 5, a vehicle approaching its retirement.

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A National Reconnaissance Office mission flew to geostationary Earth orbit Sept. 10 aboard a United Launch Alliance Atlas 5 rocket.

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An Atlas 5 successfully launched a polar-orbiting weather satellite and a reentry technology demonstrator on the final flight of the vehicle from California.

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The launch of a polar-orbiting weather satellite and reentry technology demonstration will be delayed more than a week because of a battery problem with the upper stage of their rocket, NASA announced Oct. 29.

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A NASA cubesat was removed from a recent rideshare launch opportunity on a U.S. Space Force mission because the spacecraft could not meet guidelines for deorbiting at the end of its life.

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A United Launch Alliance Atlas 5 rocket carrying a U.S. Space Force missile-warning satellite lifted off Aug. 4 at 6:29 a.m. Eastern from Space Launch Complex-41 at Cape Canaveral Space Force Station, Florida.

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A United Launch Alliance Atlas 5 rocket on July 1 launched the USSF-12 mission for the U.S. Space Force. The rocket lifted off at 7:15 p.m. Eastern from Space Launch Complex-41 at Cape Canaveral Space Force Station, Florida.

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Boeing and United Launch Alliance say they remain committed to launching future CST-100 Starliner commercial crew missions on Atlas 5 rockets even after that vehicle is effectively retired for other missions.

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Boeing’s CST-100 Starliner spacecraft is ready to attempt another uncrewed test flight to the International Space Station, with both the company and the agency expressing confidence in the spacecraft despite past problems.

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Air Force Secretary Frank Kendall said U.S. national security launches will not be affected by Russia’s decision to stop supplying rocket engines to the United States.

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An Atlas 5 successfully launched the latest in a series of geostationary weather satellites March 1, exactly four years after the launch of the satellite it is replacing.

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Preparations are underway for the launch of the next in a series of geostationary weather satellites that will also mark the end of a decades-long streak for one company.

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In its first mission of 2022, a United Launch Alliance Atlas 5 rocket on Jan. 21 launched a pair of space-monitoring satellites for the U.S. Space Force. 

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A United Launch Alliance Atlas 5 rocket on Dec. 7 launched the Space Test Program-3 (STP-3) mission for the U.S. Space Force. The rocket lifted off at 5:19 a.m. Eastern from Space Launch Complex-41 at Cape Canaveral Space Force Station, Florida.

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United Launch Alliance is targeting a Nov. 22 liftoff for the U.S. Space Force STP-3 mission aboard an Atlas 5 rocket. 

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An Atlas 5 successfully launched a NASA spacecraft Oct. 16 on a mission to study distant asteroids that may hold clues to the early history of the solar system.

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An Atlas 5 successfully launched the latest in the Landsat series of Earth science satellites Sept. 27, continuing a program that started nearly half a century ago.

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NASA has selected SpaceX to launch the last in a series of geostationary weather satellites that had previously been launched by United Launch Alliance.

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A one-week delay in the launch of the next Landsat satellite on an Atlas 5 is the result of a ripple effect in the supply chain caused by increased demand for liquid oxygen to treat COVID-19 patients.

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