The Army of the Republic of Vietnam composed the ground forces of the South Vietnamese military from its inception in 1955 to the Fall of Saigon in April 1975. At the ARVN's peak, an estimated 1 in 9 citizens of South Vietnam were enlisted, composed of Regular Forces and the more voluntary Regional Forces and the Popular Force militias. It is estimated to have suffered 1,394,000 casualties during the Vietnam War.
The 1st Infantry Division (1ID) is a combined arms division of the United States Army, and is the oldest continuously serving division in the Regular Army. It has seen continuous service since its organization in 1917 during World War I. It was officially nicknamed "The Big Red One" after its shoulder patch and is also nicknamed "The Fighting First." The division has also received troop monikers of "The Big Dead One" and "The Bloody First" as puns on the respective officially sanctioned nicknames. It is currently based at Fort Riley, Kansas.
The 1st Cavalry Division is a combined arms division and is one of the most decorated combat divisions of the United States Army. It is based at Fort Cavazos, Texas. It was formed in 1921 and served during World War II, the Korean War, the Vietnam War, the Persian Gulf War, with the Stabilization Force in Bosnia-Herzegovina, in the Iraq War, in the War in Afghanistan as well as Operation Freedom's Sentinel and Operation Inherent Resolve. As of July 2023, the 1st Cavalry Division is subordinate to III Armored Corps and is commanded by Major General Thomas M. Feltey
The 7th Cavalry Regiment is a United States Army cavalry regiment formed in 1866. Its official nickname is "Garryowen", after the Irish air "Garryowen" that was adopted as its march tune. The regiment participated in some of the largest battles of the American Indian Wars, including its famous defeat at the Battle of the Little Bighorn, where its commander Lieutenant Colonel George Armstrong Custer was killed. The regiment also committed the Wounded Knee Massacre, where more than 250 men, women and children of the Lakota were killed.
The 11th Armored Cavalry Regiment is a unit of the United States Army garrisoned at the Fort Irwin National Training Center in California. The regiment has served in the Philippine–American War, the Pancho Villa Expedition, World War II, the Vietnam War, Gulf War and Iraq War. The 11th ACR serves as the opposing force (OPFOR) for the Army and Marine task forces, and foreign military forces that train at Fort Irwin.
The Battle of 73 Easting was fought on 26 February 1991, during the Gulf War, between Coalition armored forces and Iraqi armored forces. It was named for a UTM north–south coordinate line that was used as a phase line by Coalition forces to measure their progress through the desert. The battle was later described by Lt. John Mecca, a participant, as "the last great tank battle of the 20th century." This battle took place several hours after another, smaller, tank battle at Al Busayyah.
The United States Cavalry, or U.S. Cavalry, was the designation of the mounted force of the United States Army. The United States Cavalry was formally created by an act of Congress on 3 August 1861 and ceased as a distinct Army branch in 1942. The name "cavalry" continues to be used as a designation for various specific United States Army formations and functions.
The 1st Cavalry Regiment is a United States Army regiment that has its antecedents in the early 19th century in the formation of the United States Regiment of Dragoons. To this day, the unit's special designation is "First Regiment of Dragoons". While they were the First Regiment of Dragoons, another unit designated the 1st Cavalry Regiment was formed in 1855 and in 1861 was re-designated the 4th Cavalry Regiment. The First Dragoons became the 1st Cavalry Regiment, since they were the oldest mounted regiment.
Lieutenant General Guy Carleton Swan III is a retired United States Army officer. His final assignment was Commanding General United States Army North at Fort Sam Houston, Texas.
The 9th Cavalry Regiment is a parent cavalry regiment of the United States Army. Historically, it was one of the Army's four segregated African-American regiments and was part of what was known as the Buffalo Soldiers. The regiment saw combat during the Indian and Spanish–American Wars. During Westward Expansion, the regiment provided escort for the early western settlers and maintained peace on the American frontier.
The 199th Infantry Brigade (Light) is a unit of the United States Army which served in the Army Reserve from 1921 to 1940, in the active army from 1966 to 1970 (serving in the Vietnam War), briefly in 1991–1992 at Fort Lewis, and from 2007 as an active army training formation at Fort Moore.
The 4th Cavalry Regiment is a United States Army cavalry regiment, whose lineage is traced back to the mid-19th century. It was one of the most effective units of the Army against American Indians on the Texas frontier. Today, the regiment exists as separate squadrons within the U.S. Army. Presently, 1st Squadron, 4th Cavalry and 5th Squadron, 4th Cavalry are parts of the 1st Infantry Division's 1st Brigade and 2nd Brigade combat teams, respectively. 1st Squadron, 4th Cavalry's official nickname is "Quarterhorse", which alludes to its "1/4 Cav" designation.The 3rd Squadron, 4th Cavalry, official nicknamed "Raiders," serves as part of the 25th Infantry Division. The 4th Squadron, 4th Cavalry officially was stood up on September 2009 at Fort Riley, Kansas as part of 1st Infantry Division. It was inactivated in October 2015. The 6th Squadron, 4th Cavalry served as part of the recently inactivated 3rd Brigade Combat Team, 1st Infantry Division, at Fort Knox, Kentucky.
The 6th Cavalry is a regiment of the United States Army that began as a regiment of cavalry in the American Civil War. It currently is organized into aviation squadrons that are assigned to several different combat aviation brigades.
The 10th Cavalry Regiment is a unit of the United States Army. Formed as a segregated African-American unit, the 10th Cavalry was one of the original "Buffalo Soldier" regiments in the post–Civil War Regular Army. It served in combat during the Indian Wars in the western United States, the Spanish–American War in Cuba, Philippine–American War and Mexican Revolution. The regiment was trained as a combat unit but later relegated to non-combat duty and served in that capacity in World War II until its deactivation in 1944.
The 17th Cavalry Regiment is a historical organization within the United States Army that began as a regiment of cavalry after the Pancho Villa Expedition. The unit was constituted on 1 July 1916 in the Regular Army as the 17th Cavalry at Fort Bliss, Texas and originally inactivated 26 September 1921 at the Presidio of Monterey, California. Formerly a part of the 1950s Combat Arms Regimental System, it was reorganized as a part of the U.S. Army Regimental System, an ongoing effort to maintain the lineage and history of the U.S. Army through its units. Today, the 17th Cavalry Regiment is found across the army within the combat aviation brigades, where the squadrons, now constituted as attack/recon helicopter squadrons, carry on the legacy of the 17th Cavalry Regiment.
The 3rd Brigade Combat Team, 1st Cavalry Division is a combined arms armored brigade of the 1st Cavalry Division based in Fort Cavazos, TX. Major equipment includes the M1A2SEP Tanks, M2A3 & M3A3 Bradley infantry fighting vehicles, M109A7 Paladin howitzers, and M1114 up-armored Humvees.
Operation Atlanta was a road security operation in Đồng Nai Province carried out by the 11th Armored Cavalry Regiment from 19 October to December 1966 during the Vietnam War and was the first major combat operation of the 11th ACR in the war.
The 151st Cavalry Regiment was a United States Army cavalry regiment represented in the Arkansas Army National Guard by 1st Squadron, 151st Cavalry Regiment, headquartered in Warren, Arkansas, an element of the 39th Infantry Brigade Combat Team.
Cibolo Creek Ranch is a historic place in Presidio County, Texas, United States. Established as a cattle ranch prior to the Civil War, it has been used in modern times for hunting and a shooting location for the movie industry. It includes a fort called El Fortin del Cibolo which has been renovated as a luxury hotel featuring watchtowers and three-foot-thick adobe walls.
The 221st Cavalry Regiment, Nevada Army National Guard, is a parent regiment under the U.S. Army Regimental System, with headquarters in Las Vegas, Nevada. It currently consists of 1st Squadron, 221st Cavalry Regiment a 600-soldier Armored Reconnaissance Squadron of the Nevada Army National Guard located in southern Nevada. For command and control purposes within the Nevada Army National Guard, 1st Squadron, 221st Cavalry Regiment, is a subordinate unit to the Land Component Commander (LCC) of the Nevada Army National Guard. In 2016, the squadron entered into an alignment-for-training relationship with the 116th Cavalry Brigade Combat Team, 34th Infantry Division. In May 2016, the squadron donned the Shoulder Sleeve Insignia of the 116th Cavalry Brigade Combat Team. As an armored reconnaissance squadron, the 1st Squadron, 221st Cavalry Regiment, is able to deploy three mechanized cavalry troops, one armor company, a support company, a headquarters troop, and a squadron headquarters in order to accomplish its federal, state, and community missions.
United States Army 
Captain 
Silver Star Medal 
Soldier's Medal 
Bronze Star Medal (2)
Purple Heart Medal (2)
Presidential Unit Citation 
Vietnam Cross of Gallantry