SpaceX's 'challenging' Falcon Heavy mission launch goes 2/3 on booster landings

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,…
Source: Engadget | SpaceX's 'challenging' Falcon Heavy mission launch goes 2/3 on booster landings