SpaceX Is About to Launch Its Final Block 4 Falcon

Published: June 29, 2018, 7:12 a.m.

SpaceX is swiftly moving toward achieving its ultimate goal of rapid reusability: flying a single booster twice within a 24-hour time period. It\u2019s a goal that Elon Musk says SpaceX will achieve later this year\u2014but in order to make good on that promise, the company must first say goodbye to its hardest-working rocket yet. That would be the full thrust Falcon, known to SpaceX followers as the Block 4.