163904
JG 400 in action The Me 163B-1a fighters first flew operationally on 6 August 1944 , 2 Me 163s reportedly claiming 3 P-51 Mustang s of the 352nd Fighter Group .
 JG, 352nd Fighter Group
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 JG, 352nd Fighter Group