SpaceX Chief Engineer Elon Musk, right, speaks to NASA Administrator Jim Bridenstine, center, and SpaceX Vice President of Propulsion Engineering, Will Heltsley, left, while viewing the OctaWeb, part of the Merlin engine used for the Falcon rockets, at the SpaceX Headquarters, Thursday, Oct. 10, 2019 in Hawthorne, CA. Photo credit: (NASA/Aubrey Gemignani)