Falcon 9 Block 5: SpaceX rocket built to be reused over 10 times, says Musk

Block 5 is the latest-and final-major upgrade by SpaceX to its workhorse Falcon 9

The next launch by Space Exploration Technologies Corp. appears almost routine by now: A  satellite owned by Bangladesh will blast toward orbit on top of a reusable Falcon 9 rocket, then the booster will land back on a drone ship to be launched again at a later date. SpaceX has already done this 24 times.  

But Friday will mark the debut of a slightly different rocket, called Falcon 9 Block 5, that SpaceX crafted to more quickly send an already used vehicle back into space. The new model was designed to be capable of 10 or more flights with limited