When you come home from a tour, there is just no better feeling than "comming home"
It's a time when you, as a serviceman, Look at your own country, and see, that it isn't all bad, "things are much better here, than over there"
You see your wife, maybe a new child, or, if your single, you see your brothers and sisters, mothers and fathers, and you are glad they live in a better place, unlike horrible things you saw in the country you went to "work" in.
here we get debreifed, then your on leave for a few months, too allow you to refocus, reflect on your experiences,
Ajust.
Then you get to listen to these protestors, who have never done anything for anyone, spew their therories, disrespect their countrymen, government, The values of the nation;

This brings on a period of depresion for servicemen, but it is short lived, because reality tells them that fighting and giving a damn for their nation is worth every drop of blood, If gives their childrenm and their children a brighter future, They see that the fight for freedom is worth giving to every nation of the world, because, this is how we want to live.

reality tells them that fighting and giving a damn for their nation is worth every drop of blood

Good point, just wanted to re-emphasize it.

Don't worry, what goes around comes around. One day there may come a time of reckoning, when people who served the ideals of America will remember those who worked to undermine them.

And if you want to understand the rhyme and reason of those who constantly work to undermine America's ideals and culture, read this:

You Can Trust the Communists (to be Communists) by Dr. Fred. Schwarz

It's a short, concise book that traces the influence of Communism on the world since the early 1800s. It explains the tactics Communists use (subversion of student-intellectuals, Political Correctness, moral relativism, statism, etc.), and makes it plain that Communism is far from dead, only the name is gone. It's an eye-opener.