61839
By 1945 , Walters had risen to the rank of air commodore and was leading Northern Command in Papua New Guinea .
 Walters, Northern Command, Papua New Guinea
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Walters, Northern Command, Papua New Guinea