NASA astronauts encountered delays and issues on Boeing's Starliner spacecraft, which faces critical tests post helium leaks and thruster problems during its rendezvous with the International Space Station in June.

Boeing reassured stability regarding most thruster issues and helium leaks on the Starliner, stating they are not a concern for the return mission.

Degraded seals, suspected to be from thruster firings in space, are believed to be the cause of helium leaks and thruster malfunctions on the Starliner, according to NASA's commercial crew program manager.

Estimates suggest astronauts may return to Earth by late August after extended battery performance on the ISS.

NASA is exploring backup options, including utilizing SpaceX's Dragon capsule, in case the return date for astronauts on the Starliner is further delayed.

NASA and Boeing will provide an update on the ongoing astronaut mission, Crew Flight Test (CFT), conducted by the Starliner capsule.

Five of the Starliner's 28 thrusters failed during its approach to the ISS, but four have been reactivated, showcasing progress in resolving technical issues.

Mission managers and engineers will review data next week to determine Starliner's flight readiness and establish a return date for the astronauts.

Delays in SpaceX's rocket operations may impact upcoming crew flights, potentially affecting the overall schedule for commercial crew missions.

Boeing's Starliner capsule, equipped with 28 maneuvering thrusters and larger engines for re-entry, is undergoing continuous testing and data collection while docked at the space station.

Initially approved for a 45-day stay, the Starliner spacecraft can now extend its mission duration based on successful testing outcomes.

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An upcoming press conference on the mission will feature key figures from NASA's Commercial Crew Program and Boeing's Commercial Crew Program.