5TH FLEET EXERCISE Ships in formation participate in International Mine Countermeasures Exercise 2013, May 19, 2013. The exercise includes navies from more than 40 countries whose focus is to promote regional security through mine countermeasure operations in the U.S. 5th Fleet area of responsibility. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 257028-L-LYF13-373.jpg Photo Gallery