https://phys.org/news/2018-11-nasa-chief-elon-musk-wont.html

He added that he was the one who called for the safety review, announced November 20, of the two companies tasked with building the spacecraft that will enable Americans once again to send people to space—a capacity the US lost in 2011 with the retirement of the space shuttle program.

"We've had a number of conversations," Bridenstine was quoted as telling The Atlantic magazine.