ELMENDORF AIR FORCE BASE, Alaska -- Loadmasters Senior Airman Adam Adams and Airman 1st Class Philip Martin compare weight and balance worksheets while they wait for their cargo to arrive during Cooperative Cope Thunder. The airmen are assigned to the 517th Airlift Squadron here. The squadron's C-130 Hercules deliver people and cargo to remote drop zones and land on remote runways during the exercise. The exercise is a Pacific Air Forces-sponsored air combat training exercise which runs through June 20. (U.S. Air Force photo by Tech. Sgt. Keith Brown)