Fort Sill

This article is about the army post. For the school, see Fort Sill Indian School.

Fort Sill
Lawton, Comanche County, Oklahoma
Shoulder sleeve insignia of units stationed at Fort Sill
Site information
Type	Military post
Owner	United States Army
Controlled by	United States
Website	sill-www.army.mil
Location
Coordinates	34°40′16″N 98°23′23″W
Site history
Built	1869
In use	1869–present
Garrison information
Past commanders	MG Mark McDonald
Garrison	United States Army Field Artillery School United States Army Air Defense Artillery School 75th Field Artillery Brigade 31st Air Defense Artillery Brigade
Fort Sill, Oklahoma
U.S. National Register of Historic Places
U.S. National Historic Landmark
Old infantry barracks at Fort Sill
Location within Oklahoma Location within the United States
Location	Lawton, Oklahoma
Architect	US Army
NRHP reference No.	66000629
Significant dates
Added to NRHP	15 October 1966
Designated NHL	19 December 1960

Fort Sill is a major United States Army post north of Lawton, Oklahoma, approximately 85 miles (137 km) southwest of Oklahoma City, established in 1869 during the Indian Wars. It covers almost 94,000 acres (38,000 ha) in southwestern Oklahoma and serves as headquarters of the U.S. Army Fires Center of Excellence. The installation is a Basic Combat Training facility, training over 20,000 personnel annually in field artillery, air defense artillery, and electronic warfare.

Fires Center of Excellence

Fort Sill has participated in every major U.S. conflict since its founding, evolving from a frontier cavalry outpost to a modern training hub. It houses key units including the United States Army Field Artillery School, 75th Field Artillery Brigade (United States), and the 31st Air Defense Artillery Brigade (United States). The post also supports a United States Marine Corps detachment for joint artillery training.