Watch SpaceX attempt a 'most challenging' Falcon Heavy launch at 2:30 AM ET
 

Last year SpaceX launched its massive Falcon Heavy rocket for the first time, but the company describes tonight's STP-2 mission as one of the "most challenging" launches in its history. It's also the first Falcon Heavy launch to reuse side boosters,...

https://www.engadget.com/2019/06/24/...-heavy-spacex/