They mainly used AUVs (Autonomous Underwater Vehicles) to find it.
Basque Country (autonomous community) | Autonomous University of Madrid | National Autonomous University of Mexico | All-terrain vehicle | Unmanned aerial vehicle | Autonomous communities of Spain | Remotely operated underwater vehicle | Chukotka Autonomous Okrug | Sport utility vehicle | electric vehicle | Autonomous University of Barcelona | unmanned aerial vehicle | Greater Underwater Propulsion Power Program | Hybrid electric vehicle | Armoured fighting vehicle | Recreational vehicle | launch vehicle | Landing Vehicle Tracked | Vehicle Assembly Building | National Underwater and Marine Agency | motor vehicle | Gorno-Badakhshan Autonomous Province | Bashkir Autonomous Soviet Socialist Republic | all-terrain vehicle | Vehicle registration | Vehicle armour | underwater diving | Street-legal vehicle | Polar Satellite Launch Vehicle | Jewish Autonomous Oblast |
India is also planning to use the torpedo test facility to test the Autonomous Underwater Vehicle being developed by NSTL.
The Pluto Plus is an Unmanned Underwater Vehicle (UUV) designed for use in underwater mine identification and destruction by militaries.
Launched in 1997 and co-sponsored by the Association for Unmanned Vehicle Systems International (AUVSI) Foundation and the Office of Naval Research (ONR), the goal of RoboSub is to advance the development of Autonomous Underwater Vehicles (AUVs) by challenging a new generation of engineers to perform realistic missions in an underwater environment.