There are a number of vets who don't want to get into this series of wars because they think it will be like Korea or Vietnam. There are differences, and there are wars that need to be fought, and better fought sooner than later.
If we don't go in, there are terrorists who will continue to give us serious problems in the Spratly Islands and the Straits. The Chinese have to counter us to maintain their territorial integrity and potential ability to attack Taiwan.
China could fall as a result of the next few years actions, together with Iran, Iraq and N Korea.
And the world will be a better place.