SpaceX's Starship rocket has marked three years since its explosive debut in Texas. Up next? Debuting the version that could reach the moon and Mars.

As Elon Musk's SpaceX works toward a May 19 debut of its third-generation Starship, here's a look back at all the previous test flights to date.

SpaceX's Starship rocket marks 3 years since its debut. Up next? Launching the version that could reach the moon and Mars - and expanding to Florida.