NASA astronaut Mark Vande Hei works on an investigation of how gravity affects immune response.
Two U.S. spacesuits are pictured inside the Quest airlock.
Commander Akihiko Hoshide replaces a science rack fan inside the International Space Station's U.S. Destiny laboratory.
Astronaut Megan McArthur replaces components inside the Combustion Integrated Rack.
Commander Akihiko Hoshide wraps up the Time Perception experiment to explore how astronauts perceive time and space.
Commander Akihiko Hoshide inspects safety gear, including portable fire extinguishers and breathing hardware.
Astronaut Megan McArthur reviews procedures to swap sample cartridges inside the Materials Science Laboratory (MSL).
Astronaut Mark Vande Hei relocates the Multi-use Variable-g Platform (MVP) inside the Kibo laboratory module.
Astronaut Shane Kimbrough sets up a microscope to observe and photograph samples for the Real-Time Protein Crystal Growth experiment.
I try to keep an open mind and meet people where they’re at, regardless of what they think of me,…