Russia's ISS Progress 77 (77P) cargo craft is pictured docked to the Pirs docking compartment on the International Space Station's Russian segment.
iss065e085418 (June 2, 2021) — Russia’s ISS Progress 77 (77P) cargo craft is pictured docked to the Pirs docking compartment on the International Space Station’s Russian segment. The 77P will remove Pirs from the Zarya service module’s Earth-facing port later this summer after 20 years attached to the orbiting lab opening up the port for Russia’s new Nauka multipurpose laboratory module due to arrive shortly afterward.