Steve, please accept a long-distance hug and know that I grieve with you. I can't imagine a greater loss than a promising life cut way too short.
Two of the young men I mentored went into service out of high school and lost their lives in accidents. One, I believe, was a member of a group of 12 that were involved when a student pilot reacted too slowly to the order to go around and make another approach.
These weren't just "kids"; they were rally, really special young men that I had grown close to, and their families were dear people too. Their deaths left the world a little poorer, and it still pains me to think of "what might have been".
I'll especially pray for your nephew, as this tragedy must be hitting him awfully hard.
Dennis