Astronaut David Saint-Jacques tests a SpaceX Crew Dragon command panel

iss059e087829 (May 31, 2019) --- Canadian Space Agency astronaut David Saint-Jacques activates and tests a command panel in the U.S. Destiny laboratory module that will interface with arriving and departing SpaceX Crew Dragon vehicles. The device, officially known as the COTS UHF Communication Unit (CUCU) Crew Command Panel (CCP), allows International Space Station crewmembers to monitor and command the SpaceX commercial crew vehicles.