1) Mountain in Peru 
Another ROV, Kaikō7000II, served as the replacement for Kaikō until 2007. At that time, JAMSTEC researchers began sea trials for the permanent replacement ROV, ABISMO (Automatic Bottom Inspection and Sampling Mobile). ABISMO is currently one of only three ROVs rated to 11,000-meters (the other two being Nereus, built and operated by the Woods Ho...