SpaceX Launches Cargo Dragon on 100th Falcon 9 Flight

SpaceX successfully initiated its 21st Commercial Resupply Services (CRS) mission for NASA to the International Space Station on Sunday, utilizing a newly developed iteration of its Dragon spacecraft. This updated cargo Dragon boasts an increased payload capacity and the capability to autonomously connect with the Space Station, representing advancements over its predecessor.

This launch signifies the inaugural flight for this reimagined cargo Dragon and also commences a new series of CRS missions for SpaceX under a renewed agreement with NASA. The spacecraft is transporting 6,400 pounds of essential supplies for both the Space Station and its inhabitants, alongside experimental materials and equipment to support ongoing research. This latest Dragon version offers 20% greater capacity than the previous SpaceX cargo spacecraft, and it also features double the quantity of powered lockers for the temperature-controlled transport of experimental samples.

The upgraded cargo Dragon is based on the Crew Dragon that transported astronauts to the ISS during the Demo-2 mission in May and the Crew-1 flight last month. Modifications include the removal of the Super Draco engines, which are present on the crew-carrying version and provide the means for a rapid separation from the Falcon 9 rocket in the event of an emergency abort scenario to safeguard the astronauts. Furthermore, it is designed for reuse up to five times, an improvement over the previous cargo version’s three reuses.

This launch represented SpaceX’s 100th successful Falcon 9 launch, with 43 of those utilizing recovered and refurbished boosters. The mission also involved the recovery of the Falcon 9 first stage, which has now completed four flights. This achievement brings SpaceX’s total successful booster landings to 68.

The next phase for CRS-21 involves a meeting between the cargo Dragon and the ISS, scheduled for Monday evening. The capsule will autonomously connect to one of the Station’s newly installed international docking adapters, specifically engineered to facilitate this automated docking process. Upon arrival, it will be the second Dragon spacecraft docked at the station, joining the SpaceX Crew Dragon currently there from last month’s crewed mission.