Sergeant major general Sergeant major general Sergeant major general is a now mostly extinct military rank. A prominent example was Philip Skippon in the English New Model Army as organized by Oliver Cromwell. Over the course of the 17th century, the increasing professionalisation of armies saw sergeant major general become the most junior of the general ranks. At the same time, the "sergeant" portion of the title was more and more commonly dropped; by the early 18th century, the rank's name had been permanently shortened to major general. Since sergeant major general had ranked below lieutenant general, the newly named rank of major
General officers in the United States the Chief of Staff of the Army, who had been a major general, equal rank with the Chief of Naval Operations which had been a four-star position since 1916. Lieutenant Generals were reauthorized on 5 August 1939. Four Lieutenant Generals were authorized as temporary ranks for the commanding officers of the four numbered field armies at the time. The four-star rank of General remained unique to the Chief of Staff. During World War II most American Generals held temporary or “theater” appointments in the Army of the United States. Until the Second World War, the highest Marine Corps general rank