180220-F-KG439-0002 Maj. Catherine Paterson, 439th Aeromedical Evacuation Squadron flight nurse, signals simulated patients to board a C-130J Super Hercules during exercise COPE NORTH 2018, at Rota, U.S. Commonwealth of the Northern Mariana Islands, Feb. 19. COPE NORTH allows U.S. and allied forces to practice humanitarian aid and disaster relief efforts to prepare for and recover from the devastating effects of natural disasters.(U.S. Air Force photo by Airman 1st Class Juan Torres Chardon) SHARE: Download: Full Size (2.7 MB) Credit: Airman 1st Class Juan Torres VIRIN: 180219-F-KG439-0004.JPG Photo Gallery