Watch SpaceX push the Falcon 9 rocket to its limits
 

SpaceX launches are seldom boring, but its next mission will be notable precisely for what isn't happening. Elon Musk's outfit is poised to launch the Inmarsat-5 F4 broadband satellite on May 15th at 7:20PM ET, and the payload is both so heavy (13,44...

https://www.engadget.com/2017/05/15/...to-its-limits/