Multi-purpose Small Payload Rack (MSPR): The crew performed the Florescence Microscope setup and inserted a test sample in preparation for upcoming Space Moss activities following SpX-18 arrival. The MSPR is a multipurpose payload rack system used in the JEM. It has two workspaces and a worktable that can be used for wide fields of space …

Source: ISS Daily Summary Report - 7/16/2019