Complex sentence: Although the Ford had not seen powered service since November 15,1985, it served as a stationary cement storage and transfer vessel in South Chicago, from 1987 until 2001, when the vessel was towed to Superior, Wisconsin to serve in the same capacity.
Split into simpler sentences: Although the Ford had not seen powered service since November 15,1985, it served as a stationary cement storage and transfer vessel in South Chicago, from 1987 until 2001. The vessel was towed to Superior, Wisconsin to serve in the same capacity.