SIGNAL TO GO U.S. Navy Petty Officer 2nd Class Malachi Greiner, left, awaits hand signals from 1st Class Paul Makito to rappel during a training exercise with sailors in the Pacific Ocean, Oct. 20, 2010. The sailors are assigned to numerous units, including Explosive Ordnance Disposal Mobil Unit 1 and Mobile Diving and Salvage Unit 2. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 283619-Z-HCH00-205.jpg Photo Gallery