Elon Musk's rapid takeover of two U.S. government agencies has enabled the South African-born billionaire to exert unprecedented control over America's 2.2-million-member federal workforce and begin a dramatic reshaping of government.

The president said Musk won’t have the unfettered ability to dismantle the government, but for now their relationship is holding firm.

Congress is proving little match for the Department of Government Efficiency as wary lawmakers watch it march through the bureaucracy.

Musk's status as a special government employee gives him protection from typical ethics disclosures that other Trump administration members must fill out.

Tesla CEO, SpaceX founder and the richest billionaire in the world Elon Musk is now a U.S. government employee. What to know about his citizenship.

But Trump has shown no inclination to adhere to the separation of powers that gives a lead role to Congress. Instead, in his first two weeks back in the White House, he made clear he is determined to run the government based on executive decrees, not by proposing and passing conservative laws in Congress.

Tech billionaire Elon Musk said he is feeding the Washington foreign aid agency "into the wood chipper" as part of an effort to slash federal spending.