SpaceX’s Crew Dragon spacecraft opens its nose cone before docking with the International Space Station on March 3. (Credit: NASA)

Almost three months after SpaceX’s Crew Dragon capsule blew up during a test on April 20, the results of the investigation place blame on a leak and a faulty valve.

According to a report
released by SpaceX, the “anomaly”
in the test occurred about 100 milliseconds prior to ignition of the last
thrusters. The leak let nitrogen tetroxide, a combustible component