CONTENTS 



page 



INTRODUCTION 



OBJECTIVE OF STUDY 1 



SCOPE OF STUDY 3 



MISSION PROFILE 3 



LIFTING AND LOWERING SYSTEMS 



CANDIDATE SYSTEMS 6 



Conventional Surface Craft 6 



Unconventional Surface Craft 9 



Surface Independent 10 



BACKGROUND 12 



Surface Vessels 13 



Pipe 16 



Cable 24 



Buoyancy Systems 27 



OPERATIONAL ANALYSIS 30 



Environmental Factors 30 



Figures of Merit 31 



Accountable Factors 31 



Effectiveness Comparisons 32 



MBL/WHOI 



D 0301 OOMDMOb 7 



