Complex sentence: Gregory B. Jarvis Plant named in honor of the 41-year-old payload specialist from the Mohawk Valley who was killed aboard the space shuttle Challenger in 1986, this 9,000-kW facility began operation in June of that year.
Split into simpler sentences: Gregory B. Jarvis Plant is named in honor of the 41-year-old payload specialist from the Mohawk Valley who was killed aboard the Space Shuttle Challenger in 1986. This 9,000-kW facility began operation in June of that year.