Complex sentence: The New York City Police Department Emergency Service Unit is a component of the NYPD's Special Operations Division of the Patrol Services Bureau, the unit provides specialized support and advanced equipment to other NYPD units.
Split into simpler sentences: The New York City Police Department Emergency Service Unit is the Emergency Service Unit (ESU) for the New York City Police Department. A component of the Special Operations Division of the Patrol Services Bureau, the unit provides specialized support and advanced equipment to other NYPD units.