The deputy secretary manages the Pentagon's day-to-day work, and Feinberg would be heavily involved in both workforce reduction and budget reshuffling, even as those efforts face

The Senate on Friday confirmed Stephen Feinberg, a billionaire investor who refused to acknowledge Russia invaded Ukraine and defended planned firings at the Pentagon, as the next deputy defense secretary.

Sen. Elizabeth Warren is calling out what she sees as a clear conflict of interest in President Trump’s deputy defense secretary nominee Stephen Feinberg, pointing to his ties to a communications company involved in a lawsuit with the federal government.