United States Army Command and General Staff College
The United States Army Command and General Staff College (CGSC or USACGSC) is a staff college for United States Army located at Fort Leavenworth, Kansas. The college was established in 1881 by William Tecumseh Sherman as the School of Application for Infantry and Cavalry (later simply the Infantry and Cavalry School), a training school for infantry and cavalry officers.
Source: Wikipedia — United States Army Command and General Staff College (CC BY-SA 4.0)