The rockets are a first of their kind, being at least partially reusable and a key asset for NASA in servicing the International Space Station since the retirement of the Space Shuttle program in 2011
Since 2012, SpaceX has been working with NASA to develop a space capsule to replace the Space Shuttle program. SpaceX accomplished this with the Crew Dragon spaceship and has also been working simultaneously on making equipment reusable. Previously, the majority of spacefaring equipment was single-use, needing to be replaced after each mission. While the single-use pattern was initially broken by theUnfortunately, it is unclear how many Falcon 9 rockets exist. What we do know is that the family of rockets has been involved in 241 launches and that failures are rare. In 2015, one rocket