Accident Claims SpaceX Dragon Abort Test Capsule A test of the abort thrusters on a SpaceX Crew Dragon capsule ended in a fireball at Cape Canaveral AFS on April 20, sidetracking the company’s plans to use the capsule for an in-flight abort test this summer. The capsule involved in the accident had returned from a six-day unmanned trial run to the International Space Station (ISS) last month.