WASHINGTON, Dec. 11 -- Sen. Edward J. Markey issued the following press release:

Senator Edward J. Markey (D-Mass.), member of the Commerce, Science, and Transportation Committee, today wrote to Jared Isaacman, President Trump's nominee to be Administrator of the National Aeronautics and Space Administration (NASA), and Executive Chairman of Shift4, urging Isaacman to release the amounts he paid to SpaceX for spaceflights. At a recent Commerce Committee hearing, Isaacman committed to ask SpaceX to release him from any non-disclosure agreement that would prevent him from publicly sharing these amounts. Isaacman's financial disclosures suggest he paid over $50 million for spaceflights, but the exact number is unknown.

In the letter, Senator...