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The Senate Armed Services Chair has found a way to appease the president and push back on the administration.

John Ullyot's departure comes during a week of upheaval at the Defense Department.

Colin Carroll, chief of staff to Deputy Defense Secretary Stephen Feinberg, was suspended a day after two other political appointees were placed on leave.

Dan Caldwell was escorted out of the building by security officials.

Adm. Daryl Caudle has spent the past two weeks meeting with senators.

Elon Musk's SpaceX is one of the agency's largest contractors.

This puts a Pentagon official in charge of a law enforcement agency for the first time.

The Navy has struggled for years to build ships on time or on budget.

Jared Isaacman promised to continue the space agency's efforts to return to the moon over Elon Musk's push to prioritize Mars.

The far-right activist questioned the loyalty of Earl Matthews, Trump's nominee to serve as general counsel at the Department of Defense.