What is wrong with believing it's wrong to kill another human being? And believing that you have a right to live that belief?

If you think it is the coward's way, then you have no idea what some humans have put up with in the way of abuse in order to live up to that belief. Some things are worse than dying. I once hit a squirrel on the road. It tore me up. I once had to put a dog I loved to sleep because it was suffering with heart failure. That was worse. To kill another human being, usually only because his government has forced him to come after me with a gun? Why? Frankly the current US government is nothing to kill--- or die-- for. And I bet they ask these boys to do it before another 4 years are past. For oil, or some other reason that will put money in their pockets.