SpaceX planned 33-engine Booster 7 static-fire test became a successful 31-engine test. "Team turned off 1 engine just before start & 1 stopped itself, so 31 engines fired overall," according to Tweet from Elon Musk.

See drone and ground views in real-time and slow motion here.

Footage courtesy: SpaceX | edited by Space.com's [Steve Spaleta]