Why he had a firearm in his residence is something worth investigating.
I hope his last assignment had nothing to do with this incident. Even if it did, I expect it will be listed as an accident.
Not sure about the USAF, but GO's in the Army are exempted from arms room storage requirements for their sidearms.
It’s Alaska. They sell pistols and rifles at the BX.
Housing residents can have firearms in their homes on base.
When I lived at Eielson AFB, whe only had to report how much black powder we were storing in our homes to the Fire Dept.
As an NCO, I always had my personal weapons in my quarters (on post housing).
Why should your quarters be any different than your home? Especially among men and women who were trained in their use?