Sergeant (Sgt) is a rank in use by the armed forces of many countries. It is also a police rank in some police services. The alternative spelling, serjeant, is used in The Rifles and other units that draw their heritage from the British light infantry. Its origin is the Latin serviens, 'one who serves', through the Old French term serjant.
Corporal is a military rank in use by the armed forces of many countries. It is also a police rank in some police services. The rank is usually the lowest ranking non-commissioned officer. In some militaries, the rank of corporal nominally corresponds to commanding a section or squad of soldiers.
Staff sergeant is a rank of non-commissioned officer used in the armed forces of many countries. It is also a police rank in some police services.
A master sergeant is the military rank for a senior non-commissioned officer in the armed forces of some countries.
Gunnery Sergeant (GySgt) is the seventh enlisted rank in the United States Marine Corps, above staff sergeant and below master sergeant and first sergeant, and is a senior non-commissioned officer (SNCO). It has a pay grade of E-7.
A drill instructor is a non-commissioned officer in the armed forces, fire department, or police forces with specific duties that vary by country. Foot drill, military step, and marching are typically taught by drill instructors.
John Learie Estrada is the former United States Ambassador to Trinidad and Tobago and a former United States Marine who served as the 15th Sergeant Major of the Marine Corps from 2003 to 2007. Estrada stepped down from that post on April 25, 2007, turning over the billet to the next sergeant major, Carlton Kent. Estrada then retired from the military in June 2007, after over 33 years of service. He has also worked as a senior manager for Lockheed Martin Training Solutions from 2008 onward.
The 4th Marine Division is a reserve division in the United States Marine Corps. It was raised in 1943 for service during World War II, and subsequently fought in the Pacific against the Japanese. Deactivated after the war, the division was re-formed in 1966 and elements of the division deployed during the Gulf War in 1990–1991, as well as during the Iraq War. It is currently the ground combat element of the Marine Forces Reserve and is headquartered in New Orleans, Louisiana, and has units throughout the United States.
Valley Forge Military Academy and College (VFMAC) is a private boarding school and military junior college in Wayne, Pennsylvania. It follows in the traditional military school format with army traditions. Though military in tradition and form, the high school portion of VFMAC, Valley Forge Military Academy, is a college-preparatory boarding institution specializing in student leadership. VFMAC's administration is composed almost entirely of current or retired military and the board of trustees is almost entirely alumni. Some graduates pursue careers in the armed services and VFMAC has graduated one Rhodes Scholarship recipient.
Alford L. McMichael is a retired United States Marine who served as the 14th Sergeant Major of the Marine Corps from 1999 to 2003. He was also the first Staff Non-Commissioned Officer for Allied Command Operations for NATO (2003–2006). McMichael retired from the Marine Corps in 2006 after 36 years of service.
Henry H. Black was a United States Marine who served as the 7th Sergeant Major of the Marine Corps from 1975 to 1977.
The 14th Marine Regiment is a reserve artillery regiment of the United States Marine Corps consisting of three artillery battalions and a headquarters battery. The regiment is based in Fort Worth, Texas however its units are dispersed among 15 different sites in 12 states. Its primary weapon system is the M777A2 Howitzer with a maximum effective range of 30 km however one of its battalions has converted to fire the High Mobility Artillery Rocket System (HIMARS) weapon system.
The United States Marine Corps is organized within the Department of the Navy, which is led by the Secretary of the Navy (SECNAV). The most senior Marine commissioned officer is the Commandant of the Marine Corps, responsible for organizing, recruiting, training, and equipping the Marine Corps so that it is ready for operation under the command of the unified combatant commanders. The Marine Corps is organized into four principal subdivisions: Headquarters Marine Corps, the Operating Forces, the Supporting Establishment, and the Marine Forces Reserve.
Carlton Wayne Kent is a retired United States Marine who served as the 16th Sergeant Major of the Marine Corps. He succeeded John L. Estrada on April 25, 2007, and was succeeded by Micheal Barrett on June 9, 2011.
Justin D. LeHew is a United States Marine who served in the War on Terror. He was awarded the Navy Cross for his actions on 23 and 24 March 2003 during the initial 2003 invasion of Iraq. He was hand picked to spearhead the rescue operation and recovery of the U.S. Army's 507th Maintenance Company on 23 March and subsequently was called upon again to take part in the rescue operation of US Army Private Jessica Lynch on 1 April 2003. He is also a recipient of the Bronze Star with Combat Distinguishing Device denoting Valor for his heroic actions from 5 to 28 August 2004 during the Battle of Najaf.
A warrant officer (WO) in the British Armed Forces is a member of the highest-ranking group of non-commissioned ranks, holding the King's Warrant, which is signed by the Secretary of State for Defence.
Micheal P. "Mike" Barrett is a retired United States Marine who served as the 17th Sergeant Major of the Marine Corps, succeeding Carlton W. Kent on June 9, 2011. As the Sergeant Major of the Marine Corps, Barrett was the highest ranking noncommissioned officer in the United States Marine Corps. He was succeeded by Ronald L. Green on February 20, 2015.
Bryan B. Battaglia is a retired United States Marine who served as Senior Enlisted Advisor to the Chairman of the Joint Chiefs of Staff, sworn into office on 30 September 2011. He held this position until December 11, 2015.
Troy E. Black is a United States Marine who has served as the 5th senior enlisted advisor to the chairman since November 3, 2023. He was the 19th sergeant major of the Marine Corps from July 2019 to August 2023.
