Marcus Luttrell (former Navy Seal & Author of "Lone Survivor") was asked a number of questions, including:
How Many Marines it Would Take to CRUSH ISIS?
"With 300 Marines, you could probably take over Iraq if you wanted to, and get rid of ISIS completely. Make no mistake about it, Marines are war fighters. I mean they are really good at what they do. The only time they are not good at what they do is when someone puts the shackles on them."
He mentions multiple times that the chains holding these marines back should be broken, snapped, etc., and that they be allowed to perform their duty, in order to accomplish what they were trained to do. These are the types of missions the Marines were instituted to perform under the Third President, Thomas Jefferson. It is stated in the opening lines of the Marine Hymn.