235962
Wearing of ED and EM An officer was permitted to wear both the ED and the EM , providing he had completed the service periods prescribed for both awards , i.e. a total of 32 years ' service .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None