British Army officer rank insignia were ordered to wear the same collar as other General officers, but no device in the collar. In 1880, War Office ordered to move rank badges from collar to shoulder. In 1921, the War Office abolished the rank of Brigadier General and introduced a new rank called Colonel Commandant (Officer commanding a Brigade) or Colonel on the staff (officer not commanding a Brigade, but staff officer). The badges of Colonel Commandant and Colonel on the staff were the same, consisting of a crown and three stars. In 1928, Brigadier rank was introduced by abolishing the ranks of Colonel Commandant and
Lieutenant colonel (United States) case with George A. Custer, who was a lieutenant colonel in the regular army, but held the brevet rank of major general. The 20th century saw lieutenant colonel in its present-day status although, during the 1930s, many officers again found the rank to be terminal as the rank of colonel was reserved for only a select few officers. In the United States Army and the United States Marine Corps (USMC), a lieutenant colonel typically commands a battalion/squadron-sized unit (300 to 1,200 Soldiers/Marines), with a major as executive officer (XO) and a command sergeant major/sergeant major (USMC) as principal NCO or