
The only comparison available is SpaceX, with its Falcon 9 rocket. The company made its first attempt at a powered descent of the Falcon 9 into the ocean during its sixth launch in September 2013. On the vehicle’s ninth flight, it successfully made a controlled ocean landing. SpaceX made its first drone ship landing attempt in January 2015, a failure. Finally, on the vehicle’s 20th launch, SpaceX successfully put the Falcon 9 down on land, with the first successful drone ship…








