General of the Armies Congress authorized the appointment of three-star lieutenant generals and four-star generals to be granted temporarily for service in the National Army. Tasker H. Bliss and John J. Pershing were promoted to general in October 1917, and Peyton C. March was promoted to that rank in May 1918. Hunter Liggett and Robert Lee Bullard were both promoted to lieutenant general on October 16, 1918. In 1919, by Congressional directive, the rank of General of the Armies was formally established and John J. Pershing became the first person to hold the rank. After the close of the First World War, the highest
Major general a variety of staff positions. The professional head of the Royal Marines currently holds the rank of major-general. From 1 April 1918 to 31 July 1919, the Royal Air Force maintained the rank of major-general. It was superseded by the rank of air vice-marshal on the following day. Major-general is equivalent to rear admiral in the Royal Navy and air vice-marshal in the Royal Air Force. In the United States Army, a major general (MG) typically commands a division of 10,000–20,000 soldiers and is capable of fully independent field operations. They may also serve as deputy commanders in 3-star commands