Had a retard do something similar during OIF 2 but with an OH-58D. Doing a weapons firing voltage check he disabled the WoG switch, armed the system, and pressed the fire switch.
Firing voltage was there as evidenced by the 2.75" rocket leaving the tube with a 10lb HE warhead on board. Yeah he forgot that tiny section in the checklist where you are supposed to download the ordnance. Rocket hit halfway between a guard tower and it's colocated porta-shitter.
After I tossed him off the Armament team, Spc. Boogerhook was relegated to menial labor. About a month later he was hooking up an agpu to an aircraft. Well guess which checklist section he skipped this time? Yep, the one about keeping the pu outside the rotor system. He parked it directly underneath a blade and, because agpus exhaust upwards, he melted a $17,000 rotor. Your tax dollars at work.
Just because someone is in the military does not mean they know what the fuck they are doing. But I think most of us know that