SpaceX has had considerable success in 2017 with numerous launches of its Falcon 9 rocket. The company has managed to survive through [most of] 2017 without any mishaps, and has successfully recovered every Falcon 9 rocket [for missions where this parameter was stipulated] either by land or by sea. However, one thing that SpaceX hasn’t done

Source: Hot Hardware – SpaceX Teases Near Complete Falcon Heavy, Sets New Launch Date For Epic Mars Rocket