Boston Fire Department
The Boston Fire Department was established as the first paid fire department in the United States , and is the largest municipal fire department in New England serving approximately 685 , 000 people living in a area of the city proper and provides additional mutual aid to 32 surrounding communities of the Greater Boston Metro Area , including Logan International Airport . 
<triplet> Boston Fire Department <subj> Greater Boston <obj> operating area <subj> Logan International Airport <obj> operating area