"Honestly, we have a President in my opinion who really doesn't know what he's doing," Trump said in his Q&A, as some of the retired service members also bitterly questioned the strategy of the Obama Administration.
"We're running a war by politicians and we're running a war by political correctness," Trump added, as his opinion of the current effort against the Islamic State was more than echoed by those in attendance.
"Who else should I be listening to, but the people in this room?" Trump said to applause.
While Trump has talked up budget cuts in other areas of the government, he made clear that will not be the case for the Pentagon under at Trump Administration.
"The strength of our military and the strengthening of our military is a number one priority for the Trump Administration," the GOP nominee said, arguing the U.S. military is "depleted."