United States Department of Defense United States Department of Defense The Department of Defense (DoD, USDOD, or DOD) is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces. The department is the largest employer in the world, with nearly 1.3 million active duty servicemen and women as of 2016. Adding to its employees are over 826,000 National Guardsmen and Reservists from the four services, and over 742,000 civilians bringing the total to over 2.8 million employees. Headquartered at the Pentagon in Arlington, Virginia,
Arlington County Fire Department The Arlington County Fire Department holds a Class 2 Rating from the Insurance Services Organization, the second-highest rating given to a Virginia fire department, and one of only three such ratings awarded in the state. This rating helps the local community by bringing lower insurance rates to homeowners and businesses. Arlington County Fire Department is a career fire department, with over 380 sworn career firefighters. All units are staffed 24 hours a day by career firefighter/EMTs who are divided into three platoons. Engine, rescue and truck/tower companies in Arlington are typically staffed by three firefighter/EMTs and one firefighter/paramedic, and ALS