Support Craft: 1. A standard lift hook equiva- 

 lent or superior to those used 

 by the U.S. Navy (25-ton 

 forged titanium snap hook). 

 The results of this seminar contain a num- 

 ber of practical recommendations for in- 

 creasing the safety of submersible opera- 

 tions and are included in the Marine Tech- 

 nology Society's Safety and Operational 

 Guidelines for Undersea Vehicles, Volume 

 II, published in 1974. 



REFERENCES 



1. Todd, M. R. 1972 Progress in submarine 

 escape in the Royal Navy. Conf. Papers, 

 Oceanology International 72 Conference, 

 19-24 Mar. 1972, Brighton, England, p. 

 506-507. 



2. Mavor, J. W., Froehlich, H. E., Marquet, 

 W. M. and Rainnie, W. 0., Jr., 19Q6ALVIN, 

 6,000-ft. Submergence Research Vehicle. 

 Proc. Ann. Meeting of the Soc. Naval Ar- 

 chitects and Marine Engineers, New 

 York, 10-11 Nov. 1966, n. 3, 32 pp. 



3. Penzias, W. P. and Goodman, M. W. 1973 

 Man Beneath The Sea. Wiley Intersci- 

 ence, John Wiley & Sons, New York, 831 

 pp. 



4. Link, M. 1973 Window in the Sea. Smith- 

 sonian Inst., Wash., D.C. 



5. Wenzel, J. G. 1969 Emerging capabilities 

 in underwater work systems. Trans, of the 

 Symposium "Working in the Sea", 20-22 

 Oct. 1969, Mar. Tech. Soc, Wash., D.C, p. 

 209-230. 



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