(From left) U. S. Air Force Senior Airmen Michael-Paul Kendall, Shaun Roach, and Master Sgt. Joseph Arce, 36th Operations Support Squadron air traffic controllers, look at the daily events log Feb. 24, 2014, on Andersen Air Force Base, Guam, during Exercise Cope North 2014. The exercise, which is a joint effort between the U.S. Air Force, the Japan Air Self-Defense Force and the Royal Australian Air Force, is designed for allies to work together on both humanitarian assistance and disaster relief (HA/DR) missions as well as large force employment mission with dissimilar aircraft. (U.S. Air Force photo by Airman 1st Class Emily A. Bradley/Released)