Pararescue jumpers with the 31st Rescue Squadron hold a pre-mission brief with the Air Crew from the Hawaii Air National Guards 204th and the 535th Airlift Squadron before a High Altitude Low Opening air drop during Balikatan 2016, Clark Air Field, Philippines, April 15, 2016. Balikatan, which means shoulder to shoulder in Filipino, is an annual bilateral training exercise aimed at improving the ability of Philippine and U.S. military forces to work together during planning, contingency and humanitarian assistance and disaster relief operations. (U.S. Air National Guard photo by Tech. Sgt. Andrew Jackson/released)