Let's spare a moment of thought for B1049, a Falcon 9 first-stage booster that made its debut in September 2018 by launching the Telstar 18V commercial mission. Then, in January 2019, the core launched another commercial mission, sending a passel of Iridium satellites into space.
Both were successes. Since then the first stage has lofted three different Starlink missions into low Earth orbit as SpaceX seeks to build out a constellation of satellites to provide broadband Internet from space.
The Starlink platform may eventually turn into a very profitable business for SpaceX, although there remains a lot of work to do with regard to ground stations to receive signals, compliances with regulationsRead More – Source