Complex sentence: The "Enterprise" Air Group was reconstituted as Air Group Six on 15 March 1943, and while flying off the "Enterprise", provided close air support to the amphibious landing on Makin Atoll from 19 November to 21 November 1943.
Split into simpler sentences: The "Enterprise" Air Group was reconstituted as Air Group Six on 15 March 1943. While flying off the "Enterprise", they provided close air support to the amphibious landing on Makin Atoll from 19 November to 21 November 1943.