On July 29, 2021 at 13:29 UTC the Russian “Nauka” module, also known as Multipurpose Laboratory Module (MLM), was docked to the International Space Station. The spacecraft was docked to the nadir docking port of the Russian “Zvezda” (“Star”) service module. Russian “Nauka”, or “science,” research module has a mass of about 20.2 tons and extends about 13 meters long. It’s the first large pressurized element to be permanently added to the space station since 2011, and will become one of the biggest modules at the complex.