Marine Science Affairs 



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Figure VII. 1. Essential to the Submarine Search and Rescue System is the Auxiliary 

 Submarine Rescue {ASR) vessel, shown here in prototype. The system will consist 

 of three rescue units, each including one ASR and two Deep Submergence Rescue 

 Vessels (DSRV). The first unit will become operational in 1970. Three units will 

 comprise {with necessary submarine modifications) a world-wide rescue capability. 

 {U.S. Navy photo.) 



down to 850 feet. Two salvage units are scheduled for completion in 1974. 

 Each consists of a Salvage Operational Control Ship, and two lift ships, 

 plus associated equipment. The system anticipates use of human divers to 

 aid in salvage operations. The prototype Mark II Deep Dive System, 

 which includes a Deck Decompression Chamber (DDC) and a Personnel 

 Transfer Capsule ( PTC ) is under construction at Mare Island Naval Ship- 

 yard; it should be completed in time for the SEALAB III experiment this 

 summer. (See Figure VII. 2.) Planned activity for FY 1969 includes award- 

 ing a contract for a second Mark II Deep Diver System (a DDC and a 

 PTC) plus development of tools and aids for divers. 



Tfie Man-in-the-Sea Project, closely tied to Large Object Salvage System, 

 will extend man's capacity to live and perform useful work to greater 

 depths — 850 feet by 1972. Two open sea experiments of long-duration 

 bottom living have been conducted (up to 45 days) . A third, Sealab III, is 

 planned for a depth of 600 feet (with excursions to 750 feet) in the summer 

 of 1968. 



Both private industry and the Navy are developing the equipment and 

 technique by which divers can work in the sea longer, at greater depths, with 

 better tools and more safety. The goals of accomplishing useful work by 



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