If you want to elect politicians so as to create a larger or smaller defense, then go for it. If you want to plead to our enemies to be not so bad, so that we can hopefully have less of a need for defense, then go for it. Otherwise, its in our Constitution to provide for the National Defense. Benevolence is not.
When you join the military, you are hired to do a job. To be trained. To risk your well-being in the performance of that job. To earn all that you are paid, and to be taxed for sure.
You not only have "skin" in the game. You got your flesh and blood in the game.
I served plenty myself, so if you can't see the accuracy of my words as they apply to you, then worry not as I am speaking for myself, and for other members of our armed forces who have a better understanding of how it works than do you.