Marine Aerial Refueler Squadron 152 ordnance Marines watch a GTR-18 missile, better known as a "Smokey SAM," launch toward a KC-130J Super Hercules on an island outside of Okinawa, Japan, during a threat reaction evolution, Aug. 26, 2014. The threat reaction evolution is a chance for pilots to stay up to date on their qualifications while keeping an alert and aware mindset for any arising combat scenario.