The office of Assistant Secretary of the Army was established at the time of the creation of the United States Department of Defense in 1947, and assumed many of the duties previously carried out by the United States Assistant Secretary of War in the United States Department of War. In February 1950, a second office, Assistant Secretary of the Army (General Management) was added. In May 1952, Assistant Secretary of the Army Earl D. Johnson's office was renamed Assistant Secretary of the Army (Research and Materiel), making Jones the last individual to bear the stand-alone title of Assistant Secretary of the Army. In addition to the current offices bearing the title of Assistant Secretary of the Army, several individuals have held office as some type of Assistant Secretary, as shown below.[2]