Baltimore/Washington International Thurgood Marshall Airport (IATA: BWI, ICAO: KBWI, FAA LID: BWI) is an international airport located in Linthicum in northern unincorporated Anne Arundel County, Maryland. The airport is 9 miles (14 km) south of downtown Baltimore and 32 miles (51 km) northeast of Washington, D.C.
1. staff sergeant-a noncommissioned officer ranking above corporal and below sergeant first class in the Army or Marines or above airman 1st class in the Air Force. sergeant-any of several noncommissioned officer ranks in the Army or Air Force or Marines ranking above a corporal.
Other national police services (for example, Cyprus) have a corresponding rank of 'senior sergeant'. In the United Kingdom, the equivalent police rank for more than a century was 'Station sergeant', using the same rank markings as an army 'staff sergeant'. Station sergeants were first appointed in 1890, and the final appointment in a mainstream British police force was in 1989.