Image: NASA
SpaceX Crew-8
Mission Profile
| Launch date | 2024-03-04 |
|---|---|
| Launch site | Launch Complex 39A, Kennedy Space Center, Florida |
| Launch vehicle | Falcon 9 Block 5 (B1083.1) |
| Spacecraft | Crew Dragon Endeavour (C206) |
| Target | Low Earth Orbit |
| Type | Crewed |
| End date | 2024-10-25 |
| Recovery | MV Megan, Gulf of Mexico near Pensacola, Florida |
| Duration | 235 days, 3 hours, 35 minutes |
| Partners | NASA, SpaceX, Roscosmos |
Overview
Crew-8 became the longest Crew Dragon flight on record, stretching to 235 days as the programme absorbed the upheaval of Boeing's Starliner Crew Flight Test. NASA rookie Matthew Dominick commanded veteran physician-astronaut Mike Barratt (pilot, on his third flight), Jeanette Epps — finally reaching orbit after years of reassignments — and first-time Roscosmos flight engineer Alexander Grebenkin. Launching at 03:53 UTC on 4 March 2024 aboard Dragon Endeavour from pad 39A, they docked the next day to begin an increment spanning Expeditions 70 through 72. On 2 May the crew relocated Endeavour from Harmony's forward port to its zenith port to clear the docking path for Starliner's crewed debut, then hosted Barry 'Butch' Wilmore and Sunita Williams when the Boeing capsule arrived in June — and stayed. With Starliner ultimately returning uncrewed, Crew-8's mission was extended to preserve crew-return contingency options, and Hurricane Milton pushed splashdown deeper into October. Dominick's prolific orbital photography became one of NASA's most visible outreach successes of the year. Endeavour undocked on 23 October and splashed down near Pensacola on 25 October 2024 after 235 days, 3 hours and 35 minutes — a record for the Crew Dragon fleet — capping the capsule's fifth flight.
Crew
Matthew Dominick
Commander
NASA; first spaceflight; his orbital photography from the Cupola drew a global following
Mike Barratt
Pilot
NASA; third spaceflight; physician-astronaut
Jeanette Epps
Mission Specialist
NASA; first spaceflight after earlier crew reassignments
Alexander Grebenkin
Mission Specialist
Roscosmos; first spaceflight, flying under the NASA–Roscosmos seat-exchange agreement
Key Milestones
2024-03-04
Liftoff from LC-39A at 03:53 UTC on Falcon 9 booster B1083's first flight
2024-03-05
Dragon Endeavour docked to the Harmony module's forward port
2024-05-02
Crew relocated Endeavour to Harmony zenith to free the forward port for Boeing's Starliner CFT
2024-06-06
Hosted the arrival of Boeing's Starliner Crew Flight Test with Wilmore and Williams
2024-10-23
Undocked after extensions for Starliner contingency planning and Hurricane Milton
2024-10-25
Splashdown near Pensacola — a record 235-day Crew Dragon mission
Key Achievements
Longest Crew Dragon mission to date at 235 days, 3 hours, 35 minutes
Executed the 2 May 2024 port relocation that enabled Boeing's Starliner Crew Flight Test to dock
Served as a crew-return contingency during the Starliner crew's extended stay, validating commercial crew flexibility
Fifth flight of Dragon Endeavour, the original Demo-2 capsule
Legacy & Significance
Crew-8's 235-day flight remains the endurance benchmark for Crew Dragon and a case study in operational resilience. Port relocations, lifeboat contingency planning for the stranded Starliner crew, and hurricane-driven landing delays all piled onto what was planned as a routine six-month rotation, and the mission absorbed every shock without drama. It demonstrated that NASA's two-provider commercial crew architecture could flex in real time around a partner vehicle's failure — the operational groundwork for Crew-9's rescue configuration — while Dominick's photography reminded the public what continuous human presence in orbit actually looks like.
