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The wing 's on-alert missiles remain under the operational control of the nation 's strategic war-fighting command , U.S. Strategic Command , based at Offutt Air Force Base , Nebraska .
 organization: U.S. Strategic Command
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: U.S. Strategic Command 
Answer:
 organization: U.S. Strategic Command