Elon Musk and SpaceX are under federal review for undisclosed meetings with foreign leaders.
Three federal reviews were opened by the Defense Department, Air Force, and Pentagon's Office of the Under Secretary of Defense for Intelligence and Security.
Concerns have been raised about Musk's ability to handle classified information and his compliance with reporting protocols.
Musk and SpaceX allegedly failed to disclose trips and meetings with foreign leaders, including Russian President Vladimir Putin.