Its most recent mission, which occurred on Jan. 16, featured both successes and failures. For example, SpaceX caught the returning Super Heavy back at Starbase with the launch tower's "chopstick" arms, but Ship was lost after developing propellant leaks less than 10 minutes into flight.

Last-minute problems forced a launch delay Monday for SpaceX’s mega rocket Starship, attempting a comeback following an explosion on the last test flight. The countdown got down to the 40-second mark,