UNCLASSIFIED 



Security Classification 



North Indian Ocean 

 Sound Velocity Profiles 

 Temperature-Salinity Profiles 

 Deep Sound Channel 

 Sound Velocity Perturbations 

 Critical Depth 

 Red Sea Intermediate Water 

 Banda Intermediate Water 

 Antarctic Intermediate Water 

 Subtropical Subsurface Water 

 Underwater Sound 

 Oceanographic Data 

 Oceanography 



DD .r.M473 (BACK 



(PAGE 2) 



UNCLASSIFIED 



Security Classification 



