Definition
A senior SpaceX mission director and lead astronaut trainer who prepared Doug Hurley and Bob Behnken for the historic Demo-2 mission.
Why It Matters
Human rating a rocket requires the highest level of technical trust. Crabtree’s role in training astronauts ensured that the “human-machine interface” was flawless, turning the high-stakes Demo-2 mission into a safe, historic success.
Core Concepts
- Background: Joined SpaceX in 2009 after working for Boeing on the Space Shuttle program.
- The “Light Bulb” Moment: Described the overnight shift in SpaceX’s focus toward Dragon after Jim Bridenstine issued his “time to deliver” rebuke.
- Role: Lead trainer for the Commercial Crew astronauts, managing their hundreds of hours in the Dragon simulator and their integration with the Hawthorne flight control team.
- Demo-2 Controller: Served as a key flight controller during the Demo-2 mission, witnessing the Billowing white parachutes and safe splashdown of her friends.
- Career Impact: Instrumental in human-rating the Falcon 9 and Dragon systems for NASA certification.