Complex sentence: The design of the lights are considered obsolete since there is no longer a need for the structure to house the keepers; in 2002-2003 Chesapeake light tower was used by University of Maryland, Baltimore County students for research assignments.
Split into simpler sentences: The design of the lights are considered obsolete since there is no longer a need for the structure to house the keepers. Interestly, in 2002-2003, Chesapeake light tower was used by University of Maryland, Baltimore County students for research assignments.