Complex sentence: Maisonave participated in action in the Korean War for three years and, in 2014, the Borinqueneers were awarded the U.S. Congressional Gold Medal for their sacrifice and service to the American people.
Split into simpler sentences: Maisonave participated in action in the Korean War for three years. In 2014, the Borinqueneers were awarded the U.S. Congressional Gold Medal for their sacrifice and service to the American people.