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V. TECHNOLOGY FOR UNDERSEA OPERATIONS 57 



New Materials and Equipment 57 



Launch and Recovery Systems 60 



Acoustic Navigation Systems 61 



Research to Support Diver Operations 62 



Submersible Operator Aids 64 



Manned Undersea Activities 64 



VI. NEW SYSTEMS FOR OCEAN OBSERVATION 71 



Data Buoys 71 



Marine Remote Sensing 76 



Aircraft Platforms 77 



Satellite Platforms 80 



Future Programs 81 



