219589
During 1942 and early 1943 the squadron was both an Operational and a Replacement Training Unit initially under III Fighter Command , being reassigned to I Fighter Command in October 1942 .
 Fighter, Fighter
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fighter, Fighter