142081
The Submarine Rescue Diving Recompression System ( SRDRS ) is a remotely operated underwater vehicle and its associated systems intended to replace the Mystic class deep submergence rescue vehicle for the United States Navy .
 United States Navy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States Navy