"It's the beginning of a very, very serious degradation of the military and politicization of the military," he said.

Sen. Jack Reed, ranking Democrat on Armed Services Committee, said Trump’s purge of senior Pentagon leaders is a threat to the nonpartisan nature of the military.

Democrats are slamming the Trump administration after firing the country’s senior military officer as part of a major shake-up at the Pentagon on Friday night, alleging that the move was politically motivated.