The installation unveiled a new billboard on I-77 Sept. 7 to commemorate its centennial.Over the past 100 years, Fort Jackson has grown into the largest initial entry training installation in the Army, training over 70,000 Soldiers annually. Fort Jackson trains 54 percent of the Army Basic Combat Training load and 64 percent of Army female Soldiers. Fort Jackson trains over 40,000 Basic Combat Training Soldiers annually. The installation trains an additional 25,000 in Adjutant Generals Corps, Finance and Chaplain Schools. The commemoration provides an opportunity for Soldiers and veterans to honor those who have paved the way as well as share Fort Jackson's rich heritage with the American public.