Elon Musk’s promotion of his satellite company's services came as his Department of Government Efficiency weighs potentially steep cuts at the FAA, which is overseeing the contract.

A growing number of U.S. lawmakers are raising questions about the potential for SpaceX CEO Elon Musk to interfere or take over a $2.4 billion Federal Aviation Administration telecommunications contract with rival Verizon .

The FAA is testing Elon Musk's Starlink satellite internet service. That could raise a possible conflict of interest, experts say.