Survival of the fittest Published Sept. 23, 2011 By Maj. Brent Davis 910 AW/PA YOUNGSTOWN AIR RESERVE STATION, Ohio -- YOUNGSTOWN AIR RESERVE STATION, Ohio -- Air Force Reserve Tech. Sgt. Joseph Delzotti, an aircrew flight equipment craftsman with the 910th Airlift Wing, inspects an Air Ace Survival Vest. The lifesaving device is one of many pieces of equipment maintained by the aircrew flight equipment shop to ensure aircrews are ready for any emergency situation.