engines from SpaceX have seen steady improvements. The Merlin 1D has been used as recently as January 23, 2024, when a Falcon 9 rocket launched 22 Starlink satellites into low-Earth orbit.
including its "all-American" Merlin 1D rocket engines (shown here), which power its Falcon 9 rocket fleet. SpaceX has the most affordable rockets on the market. Because they manufacture most of ...