To those that actually faced real fire fights and the trauma of having killed some one in combat.

Please don't hate me but I did alternate service for the draft and fought fires for the state forest service, so I have no combat experience.
It seems to me that there might be those that can share what it was like to survive a fire fight, or several of them having killed an enemy.
Did it change you ? How.
Did you get training to deal with this situation?
It occurred to me that in the event one must defend their home, post SHTF the trauma realized will likely be different for most but it…

To those that actually faced real fire fights and the trauma of having killed some one in combat.