Rock Island Arsenal

E Updated
usag Rock Island Arsenal-sign
usag Rock Island Arsenal-headquarters
usag Rock Island Arsenal-formation
usag Rock Island Arsenal-1
usag Rock Island Arsenal-island

Installation Listings

Installation Listing Category

Geographical Address

Duty Station (or best approximation)
Public Address
295-399 Gillespie Ave Rock Island, IL

Contact Info

312-793-6001 l Fax 312-793-0817
309-782-6001 l Fax 309-782-0817
Operating Hours
Open 24 hours a Day, 7 Days a Week.


Rock Island Arsenal Garrison provides quality facilities and excellent base operations support and services to all installation tenants in the areas of law enforcement, crime prevention, security management, fire, safety, information management, facilities engineering, housing, maintenance of buildings and roads, and transportation. The Garrison maintains telecommunications facilities and common resources, as well as community amenities and necessary services for morale, welfare, and recreation. High quality of living and working ensures equal opportunity for all civilian employees, warfighters, and family members.


The importance of the island was identified as early as 1809 when it was set aside as a federal military reservation by an Act of Congress. It has played key parts in every major US conflict dating back to the Black Hawk War of 1832. In 1969, the arsenal was placed on the National Register of Historic Places. In 1989, the original arsenal buildings were designated as National Historic Landmarks.


Rock Island Arsenal Garrison (USAG-RIA) is an active U.S. Army facility located in Rock Island County on a 946-acre island in the Mississippi River, between Davenport, Iowa and Rock Island, Illinois in an area known as the 'Quad Cities'. Once a thriving riverboat community, the Quad Cities have embraced their history in the form of many summer festivals and the home of Riverboat Gambling


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