It is the lowest of the general officer ranks, ranking between brigadier and lieutenant general. Brigadier General James Mason was the commander. Brigadier General Diana Holland was the first female commandant. The rank is higher than a brigadier and lower than a Lieutenant General. The regiment would be commanded by a regular army brigadier. Commando Brigade Royal Marines is similarly commanded by a brigadier and based in Plymouth. This explosion was observed by Oppenheimer and Groves's new deputy commander, Brigadier General Thomas Farrell. One of the Afghan National Army Brigadier generals is Khatol Mohammadzai. Two battalions of the 2nd AIF's 21st Brigade under Brigadier Arnold Potts were following. Regiments were usually grouped into brigades under the command of a brigadier general. Q branch was headed by the "assistant quartermaster general" ("AQMG" rank brigadier). The Confederate Congress initially made the rank of brigadier general the highest rank. Confederate Brigadier General P. G. T. Beauregard were ignored. It was the postbellum home of Confederate Brigadier General Gabriel C. Wharton. Montgomery was ranked second in command of all the brigadier generals.