Law enforcement sources confirmed to local news outlets that the electric vehicle was rented from Turo, the vehicle-sharing service that was also used in the New Orleans attack on the same day. There, suspect Shamsud-Din Jabbar used the Turo app to rent an electric Ford pickup truck used in that attack in the early hours of New Year’s Day, which killed 15 and injured dozens more.
Counter point, having gotten the certification at one point doesn't meant that he spent all his time doing the "things".
Its not unheard of for soldiers to get certs and special training for the pins, patches, ribbons, promotion points, and bragging rights then just never do much with them.
Still want to believe the more funny reality that CloutAtlas described though.