Published: August 17, 2026

Soyuz MS-28 Back Home After 8 Months on ISS

A joint international crew of three spacefarers safely returned to Earth early this morning, successfully concluding an extended eight-month science mission aboard the International Space Station (ISS). The Soyuz MS-28 descent module carrying NASA astronaut Chris Williams alongside Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev made a soft landing in the remote steppes of Kazakhstan, bringing an end to an impactful long-duration orbital expedition.

Quick Facts

• Spacecraft: Soyuz MS-28
• Crew Members: Chris Williams (NASA), Sergey Kud-Sverchkov (Roscosmos), Sergei Mikaev (Roscosmos)
• Mission Duration: 8 months (approximately 240 days) in Earth orbit
• Landing Site: Steppes of Kazakhstan, southeast of Dzhezkazgan
• Primary Mission Objectives: Microgravity scientific research, station maintenance, technological demonstrations, and joint orbital operations

What Happened

The journey home began late last night when the Soyuz MS-28 spacecraft formally undocked from the space station's module, signaling the end of the crew's joint operations with the remaining orbital station staff. After executing a precise separation burn to gain a safe distance from the ISS, the spacecraft initiated its critical deorbit burn to drop out of orbit and head toward Earth's atmosphere.

Encased within the protective descent module, the trio endured intense heating and gravitational forces during atmospheric re-entry. The spacecraft's main parachute deployed as planned at high altitude to slow the capsule's rapid descent, followed by the brief firing of soft-landing thrusters moments before touchdown. Search and recovery teams from Roscosmos and NASA, traveling via helicopters and all-terrain vehicles, reached the capsule within minutes of landing to assist the crew with their exit.

Key Details

Extracted one by one from the cramped capsule, Williams, Kud-Sverchkov, and Mikaev were placed in specialized recliners inside a portable field medical facility to begin immediate health checks. Early reports from flight surgeons indicate that all three crew members are in good spirits and exhibiting typical physical adaptation responses to gravity after spending eight months in weightlessness.

During their extended stay in low-Earth orbit, the Soyuz MS-28 crew oversaw a vast portfolio of scientific research. Their work encompassed human physiology experiments, material science investigations in microgravity, and testing advanced life-support systems. Additionally, the team managed several spacewalks to perform crucial external maintenance and integrated multiple arriving cargo vehicles that delivered vital research payloads and station supplies.

Background

The Soyuz MS-28 flight represents a continuation of long-standing bilateral crew exchange agreements between NASA and Roscosmos. These agreements ensure that space station operations remain resilient by guaranteeing that at least one American astronaut and one Russian cosmonaut are on board during any operational rotation.

Mission Commander Sergey Kud-Sverchkov brought valuable orbital experience to the crew, having previously served aboard the ISS, while NASA’s Chris Williams and Roscosmos’s Sergei Mikaev executed key technical roles throughout their lengthy mission. Although standard orbital stays typically last around six months, the MS-28 mission was extended to eight months to accommodate wider flight schedule realignments and to maximize the volume of microgravity research conducted aboard the orbiting laboratory.

Why It Matters

The successful return of Soyuz MS-28 highlights the technical robustness and diplomatic resilience of the International Space Station program. Even amid complex geopolitical dynamics on Earth, civil space operations continue to serve as an indispensable venue for international scientific collaboration.

Furthermore, long-duration missions lasting eight months or longer yield critical medical and biological data regarding the human body's response to extended microgravity exposure. The insights gathered from Williams, Kud-Sverchkov, and Mikaev will directly inform operational planning and life-support design for upcoming deep-space endeavors, including NASA’s Artemis lunar missions and eventual crewed expeditions to Mars.

What Happens Next

Following initial medical evaluations at the Kazakh landing zone, the crew will be flown by helicopter to a staging facility in Karaganda. From there, the team will split up to begin their respective return journeys and