SpaceX's massive Starship spacecraft exploded into a dramatic fireball during testing in Texas late on Wednesday, the latest in a series of setbacks for billionaire Elon Musk’s Mars rocket program.The explosion occurred around 11 p.

Starship is being developed as a fully reusable transportation system. This means the rocket and spacecraft will be able to return to the ground for additional missions. In the coming years Starship is intended to carry cargo and humans to the moon and outside of earth’s orbit.

SpaceX's flagship Starship model suffered its fourth explosion this year. NASA expects the company to put astronauts on the moon by 2027.