Starliner's Stellar Journey: Boeing's Crewed Test Flight To ISS Marks Major Milestone In Space Exploration

The new Starliner astronaut capsule, developed by Boeing, is poised for launch on Saturday in its much-delayed first crewed test flight, marking a milestone in the aerospace giant's endeavour to compete with Elon Musk's SpaceX in the astronaut launch business.

The CST-100 Starliner, with two astronauts aboard, is scheduled for liftoff at 12:25 p.m. ET (1625 GMT) from NASA's Kennedy Space Center in Florida. It will be strapped to an Atlas V rocket from the Boeing-Lockheed Martin joint venture United Launch Alliance (ULA), as reported by Hindustan Times, citing agencies.

Photo Credit: PTI

Boeing's Crewed Test Flight to ISS Marks Major Milestone

A countdown scheduled for May 6 was halted just two hours before launch time due to a faulty pressure valve on the Atlas rocket. Subsequently, a helium leak and another issue were detected in Starliner's propulsion system. However, all issues have been resolved, according to statements from Boeing and NASA.

"This is a test flight, and we know we're going to learn some things," said Mark Nappi, Boeing's commercial crew vice president, during a news conference on Friday. The gumdrop-shaped capsule and its crew are destined for the International Space Station (ISS), marking the culmination of efforts two years after the Starliner completed its first test voyage to the orbital laboratory without astronauts aboard, as reported by Hindustan Times.

Boeing, amid ongoing crises with its commercial airplane operations involving its 737 MAX jetliners, is in need of success in space for its Starliner venture. The project is already several years behind schedule and over budget by more than $1.5 billion.

While Boeing has faced challenges, SpaceX has emerged as a dependable provider of transportation to orbit for the U.S. space agency. SpaceX's Crew Dragon capsule has been NASA's sole vehicle for sending ISS crew members to orbit from U.S. soil since 2020.

The inaugural crew for the seven-seat Starliner includes two veteran NASA astronauts: Barry "Butch" Wilmore and Sunita "Suni" Williams. Wilmore, 61, a retired U.S. Navy captain and fighter pilot, is designated as the commander for Saturday's flight, with Williams, 58, in the pilot seat, as per media reports.

Although Starliner is designed to fly autonomously, the crew can assume control of the spacecraft if necessary. The test flight calls for Wilmore and Williams to practice manoeuvring the vehicle manually en route to the space station, where it will remain docked for at least eight days before returning to Earth.

If Boeing delays its Saturday launch attempt, backup opportunities are available on Sunday, Wednesday, and Thursday. However, if a delay persists beyond Thursday, certain items on Starliner and the rocket would require replacement or replenishment, potentially leading to delays of weeks or even months due to conflicting schedules with other ULA missions and the ISS.

If all proceeds as planned, the capsule will reach the space station after a flight of about 26 hours and dock with the orbiting research outpost approximately 250 miles (400 km) above Earth. Wilmore and Williams are expected to stay at the space station for about a week before returning to Earth via the Starliner capsule, which will undergo a parachute and airbag-assisted landing in the U.S. Desert Southwest - marking a first for a crewed NASA mission.