Russia's ISS Progress 77 resupply ship with the Pirs docking compartment undocks from the Zvezda service module.
iss065e206448 (July 26, 2021) — Russia’s ISS Progress 77 resupply ship with the Pirs docking compartment attached is pictured is pictured shortly after undocking from the Zvezda service module’s Earth-facing port on the International Space Station. The orbiting lab was travelling 264 miles above Mongolia at the time this picture was taken.