NASA’s Crew-13 Astronauts Enter Final Quarantine Ahead of October Space Station Launch

NASA’s next International Space Station crew has entered the final, tightly controlled phase before launch.

The four members of SpaceX’s Crew-13 mission arrived at NASA’s Kennedy Space Center in Florida on Saturday, September 26, and will remain in quarantine while completing final preflight operations. NASA and SpaceX are targeting liftoff no earlier than 11:10 a.m. EDT on Thursday, October 1, from Space Launch Complex 40 at Cape Canaveral Space Force Station.

The crew includes NASA astronauts Jessica Watkins and Luke Delaney, Canadian Space Agency astronaut Joshua Kutryk, and Roscosmos cosmonaut Sergey Teteryatnikov. Watkins will command the Dragon spacecraft, with Delaney serving as pilot. Kutryk and Teteryatnikov are mission specialists.

NASA describes the quarantine as a routine part of human spaceflight preparation, not an emergency measure. The practice dates to the Apollo era and is intended to reduce the chance that a crew member develops an illness before or during a mission. In-person contact is restricted, most communication is handled remotely, and family members and mission personnel must undergo medical screening before meeting with the astronauts.

That procedure becomes more consequential during the final days before launch. Once the crew is isolated, even a relatively minor infection could complicate training, medical evaluations, or the launch schedule. Quarantine therefore protects not only the astronauts but also the months of planning behind a crew rotation.

The move to Florida marks a shift from broad mission training to launch-site execution. At Kennedy, the crew will work through final preparations while engineers and managers review the Dragon spacecraft, Falcon 9 rocket, space station, and ground systems. NASA and SpaceX completed a flight-readiness review on September 25 and continued toward the October 1 target.

The date is still conditional. Crew-13 had previously been scheduled for September, but the mission was delayed while NASA and SpaceX investigated an oxidizer leak in the Dragon’s propulsion system and carried out additional testing and rework. The new date will depend on the outcome of final technical reviews, as well as weather and range conditions.

If the launch occurs on October 1, NASA expects the spacecraft to reach the station in less than nine hours, with docking planned for about 8 p.m. EDT at the forward-facing port of the station’s Harmony module. The four astronauts will then join Expedition 75 for a roughly six-month mission.

Their work will include science and technology investigations designed to improve life on Earth and support future exploration beyond low-Earth orbit. That gives the quarantine period a practical significance: it is the final health safeguard before a mission that will place four people in an environment where medical support and replacement options are limited.

For the public, the key distinction is between “targeted” and “scheduled.” NASA is aiming for October 1, but the launch will proceed only if the crew, spacecraft, rocket, station, and weather all receive a final go-ahead. The next few days will show whether Crew-13’s long-delayed handoff to the station can finally move from preparation to liftoff.