SpaceX's latest Falcon 9 rocket launches today, featuring updates that'll make it easier to reuse

Some of those changes include adjustments to manufacturing practices. For example, the rocket’s metal engine support structure, known as the Octaweb, will now have a bolted design, rather than a welded one. That makes it easier and faster to produce, according to a Reddit question and answer session hosted by Andy Lambert, SpaceX’s vice president of production.