https://phys.org/news/2018-08-nasa-administrator-trump-space.html > Bridenstine was touring the Michoud Assembly Center, where workers are putting together major parts of systems that are planned to return Americans to the moon and, eventually, take them to Mars. In a towering building, Boeing workers are building parts of the 322-foot (98-meter) rocket known as the Space Launch System. Lockheed Martin workers are building the spacecraft called Orion. > Bridenstine, a former Republican congressman, was nominated by Trump to head NASA last year and confirmed by the Senate in April.