Ships line up in formation for a photo exercise in the Arabian Gulf during the International Mine Countermeasures Exercise (IMCMEX) 2014. With a quarter of the world's navies participating including 6,500 Sailors from every region, IMCMEX was the largest international naval exercise promoting maritime security and the free-flow of trade through mine countermeasure operations, maritime security operations, and maritime infrastructure protection in the U.S. 5th Fleet area of responsibility and throughout the world.