Re your post 6, I totally agree, that young man is a hero.
I talked to some folks on NNS (Norfolk Naval Station). Apparently this young man, Mark Mayo, was the Head of the Base Watch. He saw the truck come on base and was suspicious because of an incident with a similar truck (different driver) some days earlier. He followed it and when he saw it stop near the USS Mahan and the driver get out and start up the gang way...he began running to the ship. The Sailor at the top of the gangway on watch was a female sailor whom this person approached and then began struggling with. He (a large, ex-convict who had spent time in prison for attempted murder and crack cocaine) overpowered her and took her gun. That’s when Mayo arrived and pushed the female sailor to the deck and himself took the bullets the intruder fired. That gave the other sailors on watch the time to fire their weapons and cut the intruder down.