Daily News Video Boeing targets a March 25 launch for next Starliner test flight for NASA
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Daily News Video Boeing targets a March 25 launch for next Starliner test flight for NASA

Daily News Video

Technicians observe as Boeing’s Starliner crew module is placed on top of the service module in the Commercial Crew and Cargo Processing Facility at NASA’s Kennedy Space Center in Florida, on Jan. 14, 2021. The Starliner spacecraft is being prepared for Boeing’s second Orbital Flight Test (OFT-2).

(Image: © John Proferes/Boeing)

Boeing is planning to launch its CST-100 Starliner astronaut taxi on a second test flight on March 25, company officials announced Monday (Jan. 25).

A United Launch Alliance Atlas V rocket will launch the uncrewed spacecraft from Cape Canaveral Space Force Station in Florida, after which Starliner will attempt to rendezvous and dock with the International Space Station (ISS) — something the spacecraft failed to do during its first test flight, called Orbital Flight Test-1 (OFT-1), in December 2019. 

The upcoming mission, called Orbital Flight Test-2 (OFT-2), was not originally part of Boeing’s itinerary when the company was developing Starliner for NASA’s Commercial Crew Program. But after a series of glitches prevented OFT-1 from reaching the ISS and prompted an early landing in New Mexico, NASA and Boeing decided to redo the uncrewed test flight before launching Starliner with astronauts on board. 

Related: Boeing’s 1st Starliner flight test in photos

The announcement of OFT-2’s target launch date comes just one week after Boeing’s Starliner passed a key software requalification test, during which Boeing teams “conducted a full software review and several series of tests to verify Starliner’s software meets design specifications,” Boeing officials said in a statement

“Boeing also will complete an end-to-end simulation of the OFT-2 test flight using flight hardware and final versions of Starliner’s flight software to model the vehicle’s expected behavior before flight,” the statement added. Boeing had been criticized for not conducting such an “end-to-end” test for OFT-1 back in 2019, when Starliner failed to reach the correct orbit.

The fully assembled Starliner spacecraft being prepared to fly Boeing’s Orbital Flight Test-2 is lifted inside the Starliner production factory at Kennedy Space Center in Florida, on Jan. 13, 2021. (Image credit: John Grant/Boeing)

If all goes according to plan with OFT-2, the Starliner spacecraft will perform an orbit insertion maneuver about 31 minutes after liftoff, sending the spacecraft on its way to the ISS, where it is expected to arrive the next day (approximately 26 hours after liftoff). 

The Starliner will autonomously dock itself at the space station’s Harmony module for about a week, during which time the seven-person crew of Expedition 64 will unload any cargo on board and inspect the spacecraft. (Starliner can spend several months in orbit, but this mission will be kept short as it is only a test.) Once its orbital stay at the ISS is over, Starliner will autonomously undock from the station at return to Earth for a parachute-assisted landing in New Mexico

If Boeing and NASA do not uncover any more big problems with Starliner during the OFT-2 mission, the first Starliner to fly with astronauts on board could follow as early as June. That mission, called Crew Flight Test (CFT), will send NASA astronauts Mike Fincke, Nicole Mann and Butch Wilmore to the ISS for an extended stay. NASA has not announced the duration of the CFT mission, but in 2019 the agency said it would be a long-duration mission that could potentially last for around six months. 

The first operational mission to carry astronauts, called Starliner 1, will bring NASA astronauts Jeanette Epps, Sunita Williams and Josh Cassada to the ISS for a six-month stay. That mission is tentatively scheduled for no earlier than December 2021, NASA officials said in a statement.

Email Hanneke Weitering at hweitering@space.com or follow her on Twitter @hannekescience. Follow us on Twitter @Spacedotcom and on Facebook.

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