CONCLUSIONS 



1. Additional human- factors- type analyses are required to provide 

 heater systems that will be compatible with both swimmer and SDV-type 

 operations. 



2. Most divers would prefer having an SDV-mounted heater to lessen gear 

 requirements. This comment does not take into consideration the physio- 

 logical requirements of operations in 28 F (-2 C) water. [Many divers 

 appear to be unaware of the actual problems that result from extended 

 operations in 28° to 30°F (-2 to -1°C) water.] 



3. For diver-heating equipment to be acceptable to fleet units, it must 

 be as compact, serviceable, and maintenance-free as possible. 



4. Future heater units should be tested in conjunction with newer SDV's 

 currently under development. 



i 



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