The unannounced visit suggests Musk’s drive to slash the federal workforce now extends to a secretive agency known as the "puzzle palace" for its famed codebreaking abilities.

Elon Musk met with the leader of the National Security Agency and U.S. Cyber Command this week, suggesting America's spy agencies won't escape the billionaire's efforts to reshape the federal governme

The Wall Street Journal cited unnamed NSA officials, who say it “isn’t clear” whether Musk asked about any intelligence or military operations that may be deemed sensitive. Musk has a high-level security clearance,