To the trolls on the internet, I want to say: Get your head out of the computer. Go outside and walk around. Look at the people walking next to you. Look at your friends' friends and who they're interacting with. And just understand this is the world we live in. It's okay to like it.
First, separate ground, sea and air warfare is gone forever. If ever again we should be involved in war, we will fight it in all elements, with all services, as one single concentrated effort.