Impressed by SpaceX's rapid advancements, no sooner were the results in than the U.S. Federal Aviation Administration cleared SpaceX to quintuple its Starship launch rate, from five launches per year to 25. But even 25 launches a year isn't good enough for SpaceX Chief Operating Officer Gwynne Shotwell. She wants 100.

Elon Musk's SpaceX launched its sixth Starship test flight to space on Tuesday from Texas, eyeing an array of improvements on the rocket as U.S. President-elect Donald Trump watched in person.