The SpaceX Dragon cargo craft is being prepared for departure from the International Space Station with 6,700 pounds of science experiments and supplies.
Crew members on the Expedition 73 are packing the Dragon spacecraft with science experiments and cargo while continuing life science activities.
NASA astronauts loaded completed science experiments and station hardware inside Dragon, with the departure and undocking scheduled for Thursday.
Various space science investigations continued on Wednesday, including plant growth studies, disease mechanism experiments, and Earth observation activities.