Southern Defence Command/US 3rd Army
Primarily responsible for the defense of the Southern United States especially the defense of US territory along the Gulf of Mexico. Peacetime responsibilities include training and organization of the army. In wartime this formation would be activated as the US 3rd Army.
3rd Army
Headquarters - San Antonio, Texas
Commander - Lt. General Krueger
Motto - Tertia Semper Prima (English) Third Always First
Composition
IV Army Corps
Headquarters - Camp Blanding, Fla
Commander - Major-General Griswold
Composition - 4th Motorized Division, 31st Infantry Division, 43rd Infantry Division
V Army Corps
Headquarters - Camp Beauregard, Louisiana
Commander - Major-General Daley
Composition - 32nd Infantry Division, 34th Infantry Division, 37th Infantry Division, 38th Infantry Division
VIII Army Corps
Headquarters - Camp Bowie, Texas
Commander - Major-General Strong
Composition - 2nd Infantry Division, 36th Infantry Division, 45th Infantry Division
1st Cavalry Division
Headquarters - Fort Bliss, Texas
Commander - Major-General Swift
Total - 9 Infantry divisions, 1 Motorized division, 1 Cavalry Division