In an interview with reporters at the Paris Air Show, NASA Director Jim Bridenstine acknowledged that the recent destruction of the SpaceX manned dragon capsule in static testing was a major setback in NASA's commercial manned space program schedule.
"There is no doubt that the timetable will change," Bridenstine said in his brief speech. "This will not be the original plan."
In late April, the SpaceX manned dragon spacecraft encountered serious problems in the static test of the propeller. The thruster is designed to push the crew compartment away from other parts of the launch vehicle to ensure crew safety. Unfortunately, so far only what has been described as an "abnormal" failure has occurred, and the entire crew cabin was destroyed in the explosion. Details of the explosion are still scarce, and NASA and SpaceX are still investigating it.