351989
He remained in the service for 12 years after the end of World War II and after the war was involved with the Berlin Airlift and possibly served in Korea .
 None
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:  
Answer:
 None