Intro: There are eight years of lifetime left in the space station if it stops flying in 2030.
NASA just bought the rest of the space station crew flights from SpaceX
"We will need additional missions from SpaceX to implement our strategy."
NASA said this week that it plans to purchase five additional Crew Dragon missions from SpaceX to carry astronauts to the International Space Station.
Although the space agency's news release does not specifically say so, these may be the final flights NASA needs to keep the space station fully occupied into the year 2030. As of now, there is no signed international agreement to keep the station flying until then, but this new procurement sends a strong signal that the space agency expects the orbital outpost to keep flying that long.
The announcement also suggests that SpaceX will fly more than twice as many crews to the space station than the other partner in NASA's commercial crew program, Boeing. Under the new agreement, SpaceX would fly 14 crewed missions to the station on Crew Dragon, and Boeing would fly six during the lifetime of the station.
Let's run down the math on that. SpaceX has already launched four operational crew missions to the space station, dating to the November 15, 2020, launch of the Crew-1 mission. SpaceX has two more flights under its original crew contract with NASA. In February 2022, NASA awarded fixed-price contracts for the Crew-7, Crew-8, and Crew-9 missions to SpaceX. The latest announcement would bring the total number of Crew Dragon missions to 14.
As for Boeing, it has yet to fly an operational mission to the station. The company recently completed a largely successful uncrewed test flight in May. Looking ahead, Boeing will probably complete a crewed flight test of Starliner late this year or early in 2023 and then fly its first operational mission sometime in 2023, or possibly later if issues are discovered on the crewed test flight.
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