June 15, 2017 Rock Solid Warrior: Staff Sgt. Jason Ervin SOUTHWEST ASIA --This week's Rock Solid Warrior is Staff Sgt. Jason Ervin, the 386th Expeditionary Maintenance Squadron munitions operations NCOIC, deployed from Yokota Air Base, Japan. The Rock Solid Warrior program is a way to recognize and spotlight the Airmen of the 386th Air Expeditionary Wing