Some federal workers are ‘getting wealthy at taxpayer expense,’ says Elon Musk, whose companies have received at least $20 billion from the government.

As part of his mission to cut government spending, Elon Musk is going after federal workers who he thinks are richer than their government salaries allow them to be, somehow through the use of taxpayer money. The world’s wealthiest man, who is acting as a special government employee as the head of the Department of Government Efficiency (DOGE) task force, laid out his thinking in the Oval Office on Tuesday..

But Musk, who did not respond to a request for comment from Fortune, stands to benefit tremendously from taxpayer dollars thanks to tax credits and government contracts.

His space exploration company SpaceX has received over $20 billion from the federal government over the past 15 years, according to federal spending records. SpaceX CEO Gwynne Shotwell has said that the company has $22 billion in government contracts,

EV company Tesla, whose stock makes up the bulk of Musk’s nearly $400 billion net worth, has benefited from $2.8 billion in tax subsidies or grants, according to subsidy tracker Good Jobs First. The Los Angeles Times calculated in 2015 that Musk’s empire of companies, which includes Tesla, SpaceX, SolarCity and The Boring Company, took in nearly $5 billion in tax breaks.

Source: FORTUNE