Pisces in August 1973, the Sea Link in June 1973, and the recovery of 

 a NASA data package from a 5,800-foot water depth in March 1970. 

 Navy personnel, technology, and equipment were also utilized in the 

 Tektite diving experiments and to locate and photograph the sunken 

 French submarine Eurydice in April 1970. 



The goals of the ocean engineering program are to provide the 

 Navy with new and improved means for deep ocean search, location, 

 rescue, recovery, and construction. These capabilities are made 

 available to assist others and the advances in deep ocean 

 technologies are disseminated broadly to national industrial and 

 commercial enterprises. 



Advanced Research Projects Agency 

 Marine Science and Technology 



The research effort for development of stable floating platforms 

 was completed at the end of 1973. The goal of this program was to 

 design, build, and demonstrate the feasibility of large, stable, 

 floating platforms in open seas. Research was directed toward a 

 design that was capable of expansion into a platform with large area 

 and load handling capabilities. Completion of 1/8 scale model tests 

 during two separate at-sea operations in August and September 

 1973 proved that results of this program provide the preliminary 

 design from which a full-scale platform could be developed for 

 support of a variety of military missions. 



The development of the arctic military potential of the Surface 

 Effect Vehicle (SEV) is concluding with the preliminary design of 

 three arctic SEV's, two of nominally 150 tons gross weight and one of 

 nominally 500 tons gross weight. Each would be capable of 

 performing one or more missions in which the SEV is superior to 

 other arctic military platforms. Essentially all the initial subsystem 

 developments necessary to support the design and construction of 

 these SEV's have been completed. Subsystem technology 

 development includes critical terrain sensing systems, such as a 94- 

 GHz obstacle detection system, stabilizing systems, deep skirt 

 configuration and materials, and pilot display components. An SEV 

 handbook is under preparation that includes the background and 

 rationale leading up to the arctic SEV technology. This handbook 

 will be of value in providing information to Government agencies 

 and departments that are planning future related programs. 



The Unmanned Arctic Research Submersible (UARS) System was 

 developed under the sponsorship of ARPA. The UARS system has 

 two major elements; an unmanned untethered submersible vehicle 

 that serves as a mobile instrument carrier and a remote tracking, 

 guidance, and recovery system. The objective of this program is to 



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