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After the war , Hudleston attended the Imperial Defence College before becoming Head of the UK Military Delegation to the Western European Union Military Staff 's Committee in 1948 and Deputy Chief of Staff for Plans & Policy at Headquarters SHAPE in 1951 .
 Hudleston, Western European Union, SHAPE
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hudleston, Western European Union, SHAPE