I do not know of one of my fellow vets who doesn't have a story of how some "crazy" Huey pilot dropped off, or extracted them from a hot LZ.
The warrant officers were the craziest, they could turn a mundane resupply run into a scary ride, far beyond that of any amusement park. It's an eerie feeling when you are looking straight down to the ground through the open door, and nothing is stopping you from falling out but pure inertia holding you against the bench.
My older brother went to Nam 3 times starting around '66 as a corpsman, and then as a nurse. I can only imagine the true horrors of war that he saw. He doesn't talk about it, and I don't ask. I spent 4 years, my brother spent 24 and retired command master sergeant, secretary division surgeon, 4th infantry
John Kerry gets a splinter and goes home with a purple heart. My bother spent nearly 30 months in the arena trying to patch kids back together, and a lot didn't make it, others were maimed for life. I do not know what your definition of what a hero is, but here is an example of two.