U.S. Air Force Tech. Sgt. Brian Krause watches a C-130 Hercules' turbo prop engine start up during the Patriot 2015 exercise at Volk Field Combat Readiness Training Center, Wis., July 22, 2015. Krause is assigned to the Texas Air National Guard's 181st Airlift Squadron. U.S. Air Force Tech. Sgt. Brian Krause watches a C-130 Hercules' turbo prop engine start up during the Patriot 2015 exercise at Volk Field Combat Readiness Training Center, Wis., July 22, 2015. Krause is assigned to the Texas Air National Guard's 181st Airlift Squadron. SHARE: Download: Full Size (1.635247 MB) Tags: Photo Essays Credit: VIRIN: 985965-L-SMZ73-097.jpg Photo Gallery