The long journey of Suni Williams, Butch Wilmore and the Boeing Starliner mission is finally near its end: If everything goes according to plan, one of the most talked about journeys in American spaceflight will come to an end with a splashdown tomorrow evening somewhere off the coast of Florida.

​NASA astronauts Barry “Butch” Wilmore and Sunita “Suni” Williams are set to return to Earth aboard SpaceX’s Crew-9 mission, concluding an unexpectedly extended stay aboard the International Space Station (ISS). The deorbit burn is scheduled for approximately 5:11 p.m. EDT, with splashdown anticipated around 5:57 p.m. EDT off the coast of Florida.​

Unexpectedly Extended Mission

Wilmore and Williams launched to the ISS in June 2024 aboard Boeing’s Starliner spacecraft, initially slated for what was described an eight-day mission. However, technical issues with the Starliner, including thruster malfunctions and a helium system leak, rendered it unsafe for their return. Consequently, the spacecraft returned to Earth uncrewed, leaving the astronauts on Station for an extended period.

As a result of the unexpected issues with Starliner, NASA chose to add Wilmore and Williams to the ISS Expedition 71/72 roster. Both astronauts remained active and engaged throughout their prolonged mission, contributing significantly to the station’s objectives, with Williams taking command of ISS itself during her stay. The pair participated in over 150 experiments and observed various Earth phenomena from their unique vantage point. Despite the unforeseen extension, both maintained a positive outlook and never publicly complained about their unexpectedly long mission.

SpaceX’s Crew-9 mission, part of NASA’s Commercial Crew Program, launched on September 28, 2024, from Cape Canaveral Space Force Station’s Launch Complex 40. This mission was notable for being the first crewed launch from this particular complex. The Crew-9 spacecraft, named Freedom, carried NASA astronaut Nick Hague and Roscosmos cosmonaut Aleksandr Gorbunov to the ISS, leaving behind NASA’s three-time space shuttle astronaut Stephanie Wilson and Zena Cardman, with both being reassigned to unspecified future missions.

For its part, Crew 9 also experienced several delays prior to launch, primarily due to technical issues with the Boeing Starliner spacecraft and scheduling conflicts with other missions on ISS. Originally planned for mid-August 2024, the launch was postponed to late September to accommodate these challenges. ​

Crew 10

The arrival of SpaceX’s Crew-10 mission on March 16, 2025, marked a significant milestone in facilitating the return of Wilmore and Williams. The Crew-10 spacecraft, carrying NASA astronauts Anne McClain and Nichole Ayers, JAXA astronaut Takuya Onishi, and Roscosmos cosmonaut Kirill Peskov, successfully docked with the ISS, allowing for a seamless transition of responsibilities. ​

The docking occurred at 12:04 a.m. EDT, followed by hatch opening at 1:35 a.m. EDT. The new crew members were warmly welcomed aboard, with the station’s population temporarily increasing to 11. This handover period ensured continuity of operations and allowed Wilmore and Williams to brief their replacements before their departure. ​

Following the arrival of Crew-10, preparations for the return of Wilmore and Williams intensified. The Crew-9 spacecraft underwent thorough checks to ensure its readiness for re-entry and landing. Both astronauts expressed cautious excitement about returning home, acknowledging the inherent risks associated with re-entry but also their eagerness to reunite with family and resume life on Earth. ​

A Political Football

The extended stay of Wilmore and Williams garnered attention beyond the aerospace community. Public figures, including former President Donald Trump and SpaceX CEO Elon Musk, commented on the situation, with Musk referring to the upcoming return mission as a “rescue” operation.

However, both NASA and the astronauts refuted the notion that they were stranded in space or abandoned, emphasizing that their extended stay was a result of technical challenges and not political decisions. This set off a political firestorm, the intensity of which is rarely seen that involves spaceflight and NASA.

Current Return Plans for Crew 9

As the deorbit burn approaches, scheduled for approximately 5:11 p.m. EDT, mission teams are closely monitoring weather conditions and spacecraft systems to ensure a safe re-entry and landing. The splashdown is anticipated around 5:57 p.m. EDT off the coast of Florida, where recovery teams will be stationed to assist the returning astronauts. ​

In a press release today, NASA said that they and SpaceX met on Sunday, March 16th, to assess weather and splashdown conditions off Florida’s coast for the return of the agency’s Crew-9 mission from the International Space Station. Mission managers are targeting an earlier Crew-9 return opportunity based on favorable conditions forecasted for the evening of Tuesday, March 18. The updated return target continues to allow the space station crew members time to complete handover duties while providing operational flexibility ahead of less favorable weather conditions expected for later in the week.

NASA will provide live coverage of the agency’s SpaceX Crew-9 return to Earth from the International Space Station, beginning with Dragon spacecraft hatch closure preparations at 10:45 p.m. EDT Monday, March 17.

The successful end of the Crew 9 astronauts will finally end a long and controversial mission, and one that NASA surely hopes will never be repeated.