Fri. Nov 18th, 2022

A Russian space vessel carrying an algae experiment, long-duration medical examinations and thousands of pounds of other cargo and supplies docked safely at the International Space Station Wednesday (Feb. 17).
The Russian Progress MS-16 cargo ship (also known as Progress 77) met up with the orbiting complex at 1:27 a.m. EST (0627 GMT), when it latched onto the station’s Pirs docking component, according to an update from NASA. It had launched from the Baikonur Cosmodrome in Kazakhstan on Sunday (Feb. 14).
Progress 77 brought 5,424 lbs. (2,460 kg) of supplies and cargo to the Expedition 64 crew. The delivery included new research experiments, crew supplies (such as clothing and food), fresh water, nitrogen gas and propellant for the station’s Zvezda service module propulsion system.
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The spacecraft will also play a historic role when leaving the space station later this year. NASA said that when it is time, Progress will not undock as previous missions have; instead, it will remain connected to Pirs and pull the entire docking compartment away from the ISS for a planned destruction in Earth’s atmosphere. Pirs has been in service for almost 20 years and a replacement is coming soon, NASA said.
“Pirs’ departure from the space station is scheduled to take place just days after the launch of the ‘Nauka’ multipurpose laboratory module on a Proton rocket from Baikonur,” NASA said in a statement. “The multifunctional docking port and research facility will dock automatically to the port vacated by Pirs.”
Related: Cosmonauts prep space station for module removal on spacewalk out of new airlock
The Russian Pirs docking compartment is used not only for docking spacecraft, but also for performing spacewalks. Crewmembers using the Russian Orlan spacesuit use the airlock here to exit the space station. It also has a docking port for transport and cargo vehicles to the station. Pirs is even a fuel transfer station, moving fuel between the Zvezda and Zarya modules or between docked vehicles. (Image credit: NASA)
NASA was unable to carry a live video of the docking on NASA Television — which it typically tries to do — because of ongoing power outages in Texas affecting agency personnel and associated broadcast capabilities, NASA said in an update prior to the event. A severe winter storm Sunday (Feb. 14) knocked out electricity to millions of Texans, with 3.6 million homes and businesses still in the dark in subfreezing temperatures as of Tuesday (Feb. 16), CNN said.
Russia’s Progress 77 spacecraft docked at the station’s Pirs docking compartment today at 1:27am ET delivering 1.1 tons of nitrogen, water and propellant to the station. More… 17, 2021
A few experiments were bundled into the Progress delivery, including the following ones listed on the Energia website (Energia is the prime developer and contractor of the Russian crewed spaceflight program):

  • Neurolab kits for medical experiments meant to examine the impacts of long-duration spaceflight on Russian cosmonauts;
  • An experiment called Aseptic, which will “make it possible to develop sterility provisions while performing biological experiments under spaceflight conditions”, according to Energia;
  • A photobioreactor which will examine how possible it is to produce food and oxygen from algae in microgravity, which could also be useful for long-duration space missions;
  • Hardware called Cascad, which will study production of cell cultures in microgravity;
  • An experiment called Biodegradation, which will examine microorganisms in the space station’s atmosphere to see how they affect structural materials.

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