This is a Crew Dragon flight for a private company Axiom Space. The mission will carry a professionally trained commander alongside three private astronauts to and from the International Space Station. This crew will stay aboard space station for at least eight days.
Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fifth major interval aimed at improving upon the ability for rapid reusability.See Falcon Details
Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur Elon Musk with the goal of reducing space transportation costs and enabling the colonization of Mars. SpaceX has many pads, on the East Coast of the US they own SLC-40 at Cape Canaveral and LC-39A at the Kennedy Space Center for their lower inclination launches. They also own SLC-4E at Vandenberg, California for their high inclination launches. Another site is also being developed at Boca Chica, Texas.INFO WIKI
Axiom Space has signed a contract with SpaceX for three additional Crew Dragon missions, enough to meet its projections for private astronaut missions to the International Space Station through at least 2023.