Army - General Staff Baseball T-Shirt

On 17 June 1904, the Chief of Staff of the Army, Lieutenant General Chaffee, approved the design of the General Staff insignia to take effect 1 July 1904. The device has been in continual use since that date. The insignia was originally worn only by officers, in the grade of captain and above, detailed to the General Staff Corps. Authority for its wear was later extended to officers detailed to General Staff Corps with troops. At the time the Department of the Army was established as the legal successor to the War Department, the word ''Corps'' in the title of branch officers detailed to the General Staff Corps was dropped. The device is now worn by officers detailed in orders to the Army General Staff and to General Staff with troo...