– Nasa and Boeing successfully completed a hot fire test of the Starliner spacecraft in preparation for astronauts Sunita Williams and Butch Willmore’s return to Earth from the ISS
– All 27 tested thrusters performed well, helium system stable, and previously malfunctioning RCS oxidizer isolation valve now operating normally
– Data from the test and recent ground testing will inform agency’s return readiness review and set a target return date
– Williams and Wilmore continued their work aboard the ISS, conducting checks, communicating with mission personnel, and performing tests
– The Starliner mission has been extended due to technical issues, but engineers have addressed problems and the recent test was a significant milestone in ensuring a safe return
– Focus is on bringing the astronauts home safely, with potential undocking dates available throughout August.