Complex sentence: The India China Division ATC had 34,000 USAAF personnel assigned; 84,000 of all nationalities overall in India, Burma, and China, including nearly 50,000 indiginous civilians; and boasted an aircraft availability rate of more than 85%.
Split into simpler sentences: The India China Division ATC had 34,000 USAAF personnel assigned; and overall 84,000 persons of all nationalities in India, Burma, and China that included nearly 50,000 indiginous civilians. It boasted an aircraft availability rate of more than 85%.