Story & photos by Capt. Amber R. Kelly-Herard 435th Air Ground Operations Wing U.S. Air Force Staff Sgts. Yin Pu and Bryan Barnard, both Silver Flag participants, conduct an Explosive Ordnance Disposal exercise March 10, at Ramstein Air Base. Silver Flag covered a wide range of critical skills, including airfield damage repair, response to chemical, biological, radiological, and nuclear threats, lodging operations, and mortuary affairs.