Complex sentence: Lieutenant Colonel Olga E. Custodio was an officer in the United States Air Force who made history when she became the first female Hispanic U.S. military pilot and later the first Latina to become a commercial airline captain.
Split into simpler sentences: Lieutenant Colonel Olga E. Custodio was an officer in the United States Air Force who made history when she became the first female Hispanic U.S. military pilot. After retiring from the military she became the first Latina to become a commercial airline captain.