5436
Operational history Conducting its first flight in January of 1958 , the XKD4R-1 was tested extensively by the United States Navy , launches usually being conducted from McDonnell F3H Demon fighters .
 organization: United States Navy
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: United States Navy 
Answer:
 organization: United States Navy