Astronaut Kate Rubins works on combustion science gear

iss064e040953 (March 9, 2021) — NASA astronaut and Expedition 64 Flight Engineer Kate Rubins replaces and cleans hardware supporting a suite of studies known as ACME, or Advanced Combustion via Microgravity Experiments, located in the Combustion Integrated Rack. Rubins performs the work on ACME’s chamber insert in the Unity module’s Maintenance Work Area.