Calvin is a English Springer Spaniel who joined the Hagerstown Fire Department, Fire Marshal's Office in 2014. Calvin is an explosive detection k-9 trained to detect odors associated with common explosives and firearms. Deputy Fire Marshal Dale Fishack is Calvin's handler.
The Hagerstown City Fire Marshal's K-9 program was made possible by a grant from The Ben Roethlisberger Foundation, founded by Pittsburgh Steelers quarterback Ben Roethlisberger, and the support of the Antietam Fire Co.