222452
History From 14 May 1943 to 21 April 1945 , the squadron conducted strategic bombardment of shipyard s , submarine bases , marshaling yards , oil facilities , airfields , and aircraft plants .
 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