Since taking office 11 days ago, President Donald Trump has embarked on a massive government makeover, firing and sidelining hundreds of civil servants in his first steps toward downsizing the bureaucracy and installing more loyalists. Musk, the billionaire Tesla (TSLA.O) , opens new tab CEO and X owner tasked by Trump to slash the size of the 2.2 million-strong civilian government workforce, has moved swiftly to install allies at the agency known as the Office of Personnel Management. The two officials, who spoke to Reuters on condition of anonymity for fear of retaliation, said some senior career employees at OPM have had their access revoked to some of the department's data systems.