Oh you bet he is. Were it not for Hunter and a few other good men like him, the military would have been eviscerated even more by Clinton. And to my knowledge, he’s the only actual candidate who can see threats beyond Islam, particularly with regards to Islam.
As a matter of fact, IIRC, he was the one who called Murtha out on the “Get out of Iraq now!” bit by sponsoring a bill calling for an up-or-down vote on withdrawal from Iraq. If you recall, it was the bill where only 3 voted for withdrawal.