Brigadier a brigadier is either the highest field rank or most junior general appointment, nominally commanding a brigade. It ranks above colonel and below major general. The rank is used by the British Army, the Royal Marines, the Australian Army, the Indian Army, the Sri Lankan Army, the New Zealand Army, the Pakistan Army and several others. Although it is not always considered a general officer rank, it is always considered equivalent to the brigadier general and brigade general rank of other countries. In NATO forces, brigadier is OF-6 on the rank scale. "The grade of brigadier-general, also called, almost interchangeably,
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