Complex sentence: Entering the active-duty Navy after graduation, Gabrielle entered the U.S. Navy Flight School, NAS Pensacola, Florida (1998-2000), earning her Naval Aviator Wings, and also qualifying with an Instrument rating and as a Commercial Pilot.
Split into simpler sentences: Entering the active-duty Navy after graduation, Gabrielle attended the U.S. Navy Flight School, NAS Pensacola, Florida (1998-2000), earning her Naval Aviator Wings. She also qualifying with an Instrument rating and as a Commercial Pilot.