Figure 27. Bottom of Romanche Trench at a depth 
of approximately 24,000 feet. Note tiny fish or 
shrimp; four or five can be spotted by their shadows 
on the bottom. A long-endurance exploration sub- 
mersible with 20,000-foot capability will help 
uncover the many mysteries of deep ocean areas. 
(Photo by Harold E. Edgerton) 
Figure 28. Long-endurance exploration submersible 
with 20,000-foot capability. 
VI-249 
333-091 O-69—19 
