A healthy coral reef seems to be loud. Similar to a busy city, the infrastructure results in more organisms and activity, and also more background noise.
Subsea Defense: Navy Deepens Commitment to Underwater Vehicles Senior Chief Mineman Abraham Garcia (left) and Aerographer s Mate 1st Class Joshua Gaskill, members of the Knifefish Unmanned Undersea Vehicle (UUV) test team, man tending lines during crane operations as part of an operational test conducted by members from Operational Test and Evaluation Force (OPTEVFOR). Knifefish is a medium-class mine countermeasure UUV designed for deployment off the Littoral Combat Ship. OPTEVFOR is the Navy’s sole test and evaluation organization for surface, air, and un Orca extra-large unmanned undersea vehicle will be used in mine countermeasures and anti-submarine warfare. Credit: Boeing. CURV-21 is a 6,400-pound Remotely Operated Vehicle (ROV) that is designed to meet the US Navy s deep ocean salvage requirements down to a maximum depth of 20,000 feet of seawater. This vehicle is loaded with a host of new technolog