Complex sentence: The cadet's tireless efforts were realized as they witnessed "Skipper's" first firing in front of the entire Corps of Cadets, which was only heightened by the emotional salute to JFK.
Split into simpler sentences: The cadet's tireless efforts were rewarded as they witnessed "Skipper's" first firing in front of the entire Corps of Cadets. The accomplishment was only heightened by the emotional salute to JFK.