194512
He was made Air Officer Commanding No. 3 Group in 1953 and then became an instructor at the Imperial Defence College in 1956 before being appointed Chief of Staff ( Air ) for Operation Musketeer , the operation to recover the Suez Canal .
 organization: No. 3 Group
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: No. 3 Group 
Answer:
 organization: No. 3 Group