Japan’s ninth mission to resupply the International Space Station has been given a “go” to launch on Wednesday at 1:30 p.m. EDT. The Expedition 63 crew continues prepare for its arrival and robotic capture on Memorial Day.
Commander Chris Cassidy of NASA will be in the cupola on May 25 to command the Canadarm2 robotic arm to reach out and grapple the Japanese resupply ship at 8:15 a.m. Roscosmos Flight Engineer Ivan Vagner is backing up Cassidy and will monitor the H-II Transfer Vehicle-9 (HTV-9) as it approaches the orbiting lab. The duo continued their HTV-9 mission training and practiced capture techniques on a computer during the afternoon
NASA TV will be live broadcasting the HTV-9 launch and capture activities. HTV-9 is delivering over four tons of crew supplies, station experiments and lithium-ion batteries. The new batteries will be installed during a spacewalk at a later date to continue upgrading station power systems.
Meanwhile, space research operations and lab maintenance activities are ongoing as the three-member crew orbits Earth.
The commander started the day on a study that could inform the fabrication of materials in space or on the Moon. He serviced samples inside the Materials Science Laboratory that enables safe research into a variety of materials such as metals, alloys, semiconductors, etc… At the end of the day, Cassidy also explored how different gravity conditions could affect planetary surfaces impacting future spacecraft designs.
Vagner joined veteran cosmonaut Anatoly Ivanishin and spent midday inventorying maintenance and repair equipment. Ivanishin was also on heart research duty today exploring how blood circulation adapts to the conditions of microgravity.