By JULIE CUNNINGHAM

(Greenfield, MA) Sergeant Stephen Westerling has taken his last radio call at the Greenfield Police Department. Westerling retired today after 21 years of service. Westerling served in the United States Army in the Ranger Battalion, and served in the National Guard as second Lieutenant. Westerling has served as Field Training Officer, Student Resource Officer, Court Officer and CIT Liaison. Westerling was promoted to the rank of Sergeant in 2012.