Thanks for all of your responses and prayers. Yes, I knew and worked with him, and our spouses were both active in the spouses group as well. It's hit some people fairly hard, even though for us old guys he isn't the first friend and comrade who has been lost.
His squadron and wing at Shaw will be organizing the memorial service as well as ensuring that his family is taken care of, and we're going to piggyback on their efforts since he was here just a year or so ago.