"Mars may be a fixer upper of a planet, but it has great potential," SpaceX founder Elon Musk said.
Almost 6,000 pounds of cargo and experiments are en route to the space station after a bright Thursday evening launch from Kennedy Space Center.
A SpaceX Dragon spacecraft scheduled to send supplies to the International Space Station this week remains grounded after an issue was identified during fueling.
SpaceX launched a group of astronauts for NASA early Wednesday morning, marking the company's second launch in under one month and the seventh human spaceflight to date. On board are four professional astronauts, including the first Black woman to join the ISS crew.
Some 5,000 Starlink terminals, which are designed to provide high-speed broadband internet, have been delivered to aid Ukraine in its ongoing conflict with Russia.
The four crew members will have 10 days to conduct research at the International Space Station.
A former decorated NASA astronaut and an international crew of paying customers will become the first to dock at the International Space Station as an all-private mission flying in SpaceX's Crew Dragon spacecraft next month.
International astronaut crew will share paella and other Spanish dishes on the space station.
Billionaire Jared Isaacman announced plans for three more private SpaceX flights, including the first crewed launch of Starship.