The Portland Fire Department (PFD) provides fire protection and emergency medical services to the city of Portland 24/7, 365. Established on March 29, 1768, the PFD is made up of over 230 paid, professional firefighters and operates out of 7 Fire Stations, located throughout the city, in addition to Fire Stations staffed by "on-call" firefighters on Peaks Island; Great Diamond Island; Cushing Island; and Cliff Island. The Portland Fire Department also operates an Airport Division Station at 1001 Westbrook St., at the Portland International Jetport, and a Marine Division Station, located at 54 Commercial St. The PFD operates a 4 Platoon shift schedule. Each platoon works for 24 hours followed by one day off. They then work another 24-hour shift followed by 5 days off. The cycle then repeats.