A Koku Jieitai (Japanese Air Self-Defense Force) C-130H Hercules lands on Tinian, U.S. Commonwealth of the Northern Marianas Islands, during exercise COPE NORTH 18, Feb. 21. Through exercises and engagements during COPE NORTH, United States Air Force, Koku Jieitai (Japan Air Self-Defense Force) and Royal Australian Air Force increase interoperability for humanitarian assistance/disaster relief operations. (U.S. Air Force photo by Airman 1st Class Christopher Quail)