Do the people who volunteer to protect us deserve our respect?

I am talking very specifically about people like soldiers and police officers and firefighters, all of whom volunteer to protect us from things that can threaten our lives and the lives of our families. I often think that these individuals do not receive the respect that they deserve from us. I recognize that sometimes they do things that are inappropriate but we all do. That should not mean that they are not also deserving of respect and gratitude.
Do the people who volunteer to protect us deserve our respect?
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