When I was in the Army, as soon as I made SGT, they sent to off to be a range safety on M-16 qualifying day. Not a big deal, good folks in our company, I expected nothing but a typically range day.
As a range safety, my 'job' was to make sure all weapons were aimed in a safe direction, make sure everyone in my area was ready to shoot before the qualifying started, and assist with weapons problems (jams etc, pretty rare 99% of the people knew as much as I did).
So this day, I hear someone saying they have a jam, they are in a 'foxhole' shooting position, basically and open topped hole in the ground. I start to walk down to help and here comes the muzzle, aimed what seemed to be RIGHT AT ME. I was thinking run like a rabbit, and started a zigzag path to the shooter. It seemed to take forever to get there, I was screaming 'cease fire' and 'point the weapon down range'. The shooter was screaming, 'It's jammed'.
When I got to the shooter, the other 49 people on the firing line finally convinced this idiot to put the weapon down on the stand and wait for assistance.
I got there and kicked the back of his helmet as hard as I could, bouncing the front of it off the front edge of the hole. I took the 1.5 seconds for a routine FTE clear, and went ballistic in my explanation of range safety practice.
The guy climbs out of the hole and he's a brand new officer that arrived at the unit a few weeks before. He tried to get me Court Marshalled for kicking him, but it never made it past the Colonel's office. Not long after he was sent on his way from the Division.
A bad day at the range for sure.