U.S. and Singapore navy divers examine a simulated underwater mine as part of a mine-counter measure scenario during Tricrab 2012 in Guam, Aug. 27, 2012. U.S. and Singapore navy divers examine a simulated underwater mine as part of a mine-counter measure scenario during Tricrab 2012 in Guam, Aug. 27, 2012. SHARE: Download: Full Size (1.64 MB) Tags: Photo Essays Credit: VIRIN: 146186-P-QQI54-244.jpg Photo Gallery