Marine Science Affairs 



-studies of biologically produced underwater sound — involving more 

 than 200 fish species — with consideration of geographical, vertical, 

 diurnal, and seasonal distributions as well as ecological and behavioral 

 patterns. 



Undersea Search, Rescue, Recovery, and Man-in-the-Sea 



This program of advanced ocean technology is intended to improve the 

 Navy's deep ocean operational capability for rescue, search, salvage, explora- 

 tion, and diving operations. The need for such a capability was again 

 emphasized in 1968 by the loss of the Scorpion and of a French and an Israeli 

 submarine. 



The Deep Submergence Systems Project (DSSP) has specific mission 

 requirements for: 



— submarine location, escape, and rescue; 

 — object location and small object recovery; 

 — large object salvage; 

 — Man-in-the-Sea; and 



— the nuclear powered, research and engineering submersible (NR-1 ) . 

 Application of deep submergence and ocean engineering technologies 

 also now appears feasible in the areas of mine warfare, amphibious opera- 

 tions, undersea command and control systems, advanced undersea strategic 

 weaponry, and underwater surveillance and reconnaissance. 



The Submarine Location, Escape, and Rescue Program will develop the 

 capability to: 



— locate a distressed submarine and retrieve data to assist investigators 



in determining the cause and nature of the disablement; 

 — provide personnel escape techniques from 600 feet; and 

 — provide an all-weather rescue system operational to submarine col- 

 lapse depths using Deep Submergence Rescue Vehicles (DSRV's — 

 small submarines which can either be transported by air or carried 

 submerged on the deck of a "mother" submarine) . 

 Completion of the development, design, and construction of two DSRV's 

 is anticipated in FY 1970 together with construction of launch and repair 

 facilities at San Clemente Island. The first two DSRV's are scheduled to 

 become operational in 1970. These vehicles will be battery-powered, have a 

 crew of three, transport 24 rescuees, and have an operating depth capability 

 of at least 3,000 feet. 



The Small Object Location and Recovery Project aims at a capability 

 to locate and recover small objects at great depths in relation to the Navy's 



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