 The U.S. Army activated a new Second Army in October 1933, with headquarters at Chicago, Illinois, as one of four field armies that would help mobilize forces in event of a national emergency.In December 1940, the Army moved Second Army’s headquarters to Memphis, Tennessee, and designated it as a training army, which conducted training in 24 states.In June 1944, the Army reconstituted the World War I Second Army, AEF, and consolidated it with the existing Second Army in order to perpetuate the lineage and honors of the World War I unit.