Complex sentence: Earlier in their career, Lynn and Bev had shared the honor of creating the first all female B-737 crew at People Express as co-Captains (1982), demonstrating the supportive effort of women helping women in the aviation field.
Split into simpler sentences: Earlier in their careers, Rippelmeyer and Burns had shared the honor of creating the first all female Boeing 737 crew at People Express as co-Captains in 1982. They demonstrated the supportive effort of women helping women in the aviation field.