The Florida Army National Guard was composed of approximately 10,000 soldiers (as of March 2009).

In 1702–1704, an inter-Indian Native American conflict started as part of Queen Anne's War involving the English armies on one side and the Spanish on another resulted in the Apalachee massacre.

After the end of the First Seminole War in 1821, the Florida provinces joined the United States, a process finalized in the ratification of the Adams–Onís Treaty.

Today's 124th Infantry Regiment was reorganized and established in the Florida State Troops as five battalions between 1888 and 1892.

The Florida Army National Guard was composed of approximately 9,950 soldiers in January 2001,[1] subsequently increasing to its current size 53rd Infantry Brigade Combat Team 83rd Troop Command 50th Regional Support Group 164th Air Defense Artillery Brigade National Guard units can be mobilized at any time by presidential order to supplement regular armed forces, and upon declaration of a state of emergency by the governor of the state in which they serve.

TG personnel in more intensive combat specialties, such as on active flying status in Army Aviation or in unique ground units such as Special Forces, will often perform additional military duty beyond the standard 48 weekend drills and 17 days on active duty annual training, with such periods of duty often totaling in excess of 100 days per year.