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A well-known veteran commander , he served as Chief of Staff of the Czechoslovak Army from 1926 to 1933 and as is general inspector from 1933 to 1938 .
 Czechoslovak Army
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Czechoslovak Army