Gerald Carthrae Thomas (October 29, 1894 – April 7, 1984) was a

United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines or simply the Marines, is the maritime land force service branch of the United States Department of Defense. It is responsible for conducting expeditionar ...

general A general officer is an Officer (armed forces), officer of high rank in the army, armies, and in some nations' air force, air and space forces, marines or naval infantry. In some usages, the term "general officer" refers to a rank above colone ...

who served as

Assistant Commandant of the Marine Corps The assistant commandant of the Marine Corps (ACMC) is the second highest-ranking officer in the United States Marine Corps, and serves as a deputy for the commandant of the Marine Corps (CMC). Before 1946, the title was known as the assistant to ...

. He retired from the Marine Corps in 1956 with more than 38 years of distinguished service which included duty on four continents, spanning the two World Wars,

Haiti Haiti, officially the Republic of Haiti, is a country on the island of Hispaniola in the Caribbean Sea, east of Cuba and Jamaica, and south of the Bahamas. It occupies the western three-eighths of the island, which it shares with the Dominican ...

, and the

Korean War The Korean War (25 June 1950 – 27 July 1953) was an armed conflict on the Korean Peninsula fought between North Korea (Democratic People's Republic of Korea; DPRK) and South Korea (Republic of Korea; ROK) and their allies. North Korea was s ...

. During

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

, he fought in major offensives, including the

Battle of Belleau Wood The Battle of Belleau Wood (1–26 June 1918) was a major battle that occurred during the German spring offensive in World War I, near the Marne (river), Marne River in France. The battle was fought by the U.S. 2nd Infantry Division (United State ...

, and was awarded the

Silver Star The Silver Star Medal (SSM) is the United States Armed Forces' third-highest military decoration for valor in combat. The Silver Star Medal is awarded primarily to members of the United States Armed Forces for gallantry in action against a ...

and the

Purple Heart The Purple Heart (PH) is a United States military decoration awarded in the name of the president to those wounded or killed while serving, on or after 5 April 1917, with the U.S. military. With its forerunner, the Badge of Military Merit, ...

Biography

Gerald Carthrae Thomas was born on October 29, 1894, in Slater, Missouri. Thomas was attending

Illinois Wesleyan University Illinois Wesleyan University is a private liberal arts college in Bloomington, Illinois, United States. Founded in 1850, the central portion of the present campus was acquired in 1854 with the first building erected in 1856. History The in ...

at the start of

. When the U.S. entered the war and a call was made for men, Gerald, then a sophomore,Sausoman, "Legendary Marine: General Gerald C. Thomas". enlisted for military service. He was awarded a degree of

Doctor of Laws A Doctor of Laws (LL.D.) is a doctoral degree in legal studies. The abbreviation LL.D. stands for ''Legum Doctor'', with the double “L” in the abbreviation referring to the early practice in the University of Cambridge to teach both canon law ...

by his

alma mater Alma mater (; : almae matres) is an allegorical Latin phrase meaning "nourishing mother". It personifies a school that a person has attended or graduated from. The term is related to ''alumnus'', literally meaning 'nursling', which describes a sc ...

on February 10, 1954.

Marine Corps service

Gerald enlisted in the Marine Corps on May 28, 1917. He completed boot camp at

Parris Island Marine Corps Recruit Depot Parris Island (often abbreviated as MCRD PI) is an military installation located within Port Royal, South Carolina, approximately south of Beaufort, the community that is typically associated with the installation ...

then joined the

1st Battalion 6th Marines The 1st Battalion, 6th Marines (1/6) is an infantry battalion in the United States Marine Corps based in Camp Lejeune, North Carolina. It consists of approximately 1,100 marines and sailors. They fall under the command of the 6th Marine Regiment ...

World War I

Sailing for France in September 1917, Thomas saw action with the 6th Marines at Belleau Wood,

Soissons Soissons () is a commune in the northern French department of Aisne, in the region of Hauts-de-France. Located on the river Aisne, about northeast of Paris, it is one of the most ancient towns of France, and is probably the ancient capital ...

, and in the

Meuse–Argonne offensive The Meuse–Argonne offensive (also known as the Meuse River–Argonne Forest offensive, the Battles of the Meuse–Argonne, and the Meuse–Argonne campaign) was a major part of the final Allies of World War I, Allied Offensive (military), offe ...

(Champagne). He was promoted to sergeant and served as an intelligence sergeant. During the Battle of Belleau Wood, he led a squad of Marines and received the

for bravery. At Soissons, his company sustained heavy losses and he became the acting platoon leader. In September 1918, he was commissioned a second lieutenant. During his World War I service, in addition to the award of the

for valor, he was awarded the

for wounds received in battle, and as a member of the 6th Marine Regiment, he became entitled to wear the French Fourragere. After participating in the

occupation of Germany The entirety of Germany was occupied and administered by the Allies of World War II, from the Berlin Declaration on 5 June 1945 to the establishment of West Germany on 23 May 1949. Unlike occupied Japan, Nazi Germany was stripped of its sove ...

, he returned to the United States in July 1919.

Occupation of Haiti

In November 1919, he joined the

1st Provisional Marine Brigade The 1st Provisional Marine Brigade was a marine brigade of the United States Marine Corps (USMC) that existed periodically from 1912 to 1950. It was an ad hoc unit formed for specific operations and not considered a "permanent" USMC unit. The br ...

, taking part in action against Haitian insurgent forces until May 1921. During this time, he participated in the Battle of Port-au-Prince, where he successfully

ambush An ambush is a surprise attack carried out by people lying in wait in a concealed position. The concealed position itself or the concealed person(s) may also be called an "". Ambushes as a basic military tactics, fighting tactic of soldi ...

ed a column of Caco rebels. In August 1921, he was assigned to the Marine barracks at Quantico, where he remained for the next two years. During that time he was detached for several months of duty with the guard company at the Disarmament Conference in Washington. He also completed the Company Officers Course at the Marine Corps Schools.

1920s–1930s

From November 1923 to October 1925, Thomas commanded the

Marine Detachment A Marine Detachment, or MarDet, was a unit of United States Marines permanently embarked on large warships including cruisers, battleships, and aircraft carriers, typically consisting of anywhere 35 and 85 men. They were a regular component of a s ...

aboard the . He was then stationed for two years at the Marine Barracks, Navy Yard, Charleston, South Carolina, and for a year at Camp Holabird, Maryland, where he completed a course in the Army Motor Transport School. In December 1928, after serving as Officer-in-Charge of Land Transportation at the Marine Barracks,

Parris Island, South Carolina Parris Island is a district of the city of Port Royal, South Carolina on an island of the same name. It became part of the city with the annexation of the Marine Corps Recruit Depot Parris Island on October 11, 2002. For statistical purposes, ...

, he joined the 1st Brigade Marines in Haiti, and became aide to the commanding general. He returned to the United States in June 1931, entering the Army Infantry School at

Fort Benning Fort Benning (named Fort Moore from 2023–2025) is a United States Army post in the Columbus, Georgia area. Located on Georgia's border with Alabama, Fort Benning supports more than 120,000 active-duty military, family members, reserve compone ...

, Georgia, the following September. Graduating in June 1932, Thomas was made an instructor in

the Basic School The Basic School (TBS) is where all newly commissioned and appointed (for warrant officers) United States Marine Corps officers are taught the basics of being an "Officer of Marines." The Basic School is located in Stafford County, Virginia to ...

at the

Philadelphia Navy Yard The Philadelphia Naval Shipyard was the first United States Navy shipyard and was historically important for nearly two centuries. Construction of the original Philadelphia Naval Shipyard began during the American Revolution in 1776 at Front ...

. He remained there until August 1934, when he was ordered back to Quantico as a student in the Senior Course. After completing that course, he was ordered to China in July 1935, for duty with the Marine Detachment at the American Embassy in

Peiping "Beijing" is from pinyin ''Běijīng,'' which is romanized from , the Chinese name for this city. The pinyin system of transliteration was approved by the Chinese government in 1958, but little used until 1979. It was gradually adopted by various ...

. He returned to the United States two years later to attend the

Command and General Staff School The United States Army Command and General Staff College (CGSC or, obsolete, USACGSC) at Fort Leavenworth, Kansas, is a graduate school for United States Army and sister service officers, interagency representatives, and international military ...

Fort Leavenworth Fort Leavenworth () is a United States Army installation located in Leavenworth County, Kansas, in the city of Leavenworth, Kansas, Leavenworth. Built in 1827, it is the second oldest active United States Army post west of Washington, D.C., an ...

, Kansas, and after graduating in June 1938, he joined the staff of the Marine Corps Schools at Quantico.

World War II

In May 1941, Thomas was transferred to

Cairo Cairo ( ; , ) is the Capital city, capital and largest city of Egypt and the Cairo Governorate, being home to more than 10 million people. It is also part of the List of urban agglomerations in Africa, largest urban agglomeration in Africa, L ...

, Egypt, as a naval observer, but he was recalled to Quantico two months later to become assistant operations officer of the

1st Marine Division The 1st Marine Division (1st MARDIV) is a Marine (military), Marine Division (military), division of the United States Marine Corps headquartered at Marine Corps Base Camp Pendleton, California. It is the ground combat element of the I Marine E ...

. Named Operations Officer of the division in March 1942, he sailed for the South Pacific in that capacity two months later. He was awarded the

Navy Distinguished Service Medal The Navy Distinguished Service Medal is a military decoration of the United States Navy and United States Marine Corps which was first created in 1919 and is presented to Sailors and Marines to recognize distinguished and exceptionally meritorio ...

for his efforts in the assault and capture of Guadalcanal and

Tulagi Tulagi, less commonly known as Tulaghi, is a small island in Solomon Islands, just off the south coast of Ngella Sule. The town of the same name on the island (pop. 1,750) was the capital of the British Solomon Islands Protectorate from 1896 t ...

. He was appointed chief of staff of the division in September 1942, at Guadalcanal, and in July 1943, he became chief of staff of the 1st Marine Amphibious Corps, where he was awarded the

Legion of Merit The Legion of Merit (LOM) is a Awards and decorations of the United States military, military award of the United States Armed Forces that is given for exceptionally meritorious conduct in the performance of outstanding services and achievemen ...

with Combat "V" in the Treasury-Bougainville operation. After participating in the Empress Augusta Bay operation at Bougainville, he returned to Marine Corps Headquarters in

Washington, D.C. Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with ...

, where he was made director of Plans and Policies in January 1944 and awarded a second Legion of Merit for outstanding service from January 1944 to November 1946. In July 1947, Thomas was named commanding general of Fleet Marine Force, Western Pacific. After that unit was disbanded in March 1949, he became chief of staff of the Marine Corps Equipment Board at Quantico, later serving there as commanding general of the Landing Force Development Center.

Korean War

Thomas took command of the 1st Marine Division during the

in April 1951, where he earned the Army Distinguished Service Cross and

Army Distinguished Service Medal The Distinguished Service Medal (DSM) is a military decoration of the United States Army that is presented to soldiers who have distinguished themselves by exceptionally meritorious service to the government in a duty of great responsibility. ...

. He served in that capacity until January 1952, when he was relieved by Major General John T. Selden and returned to the United States. The following month he was promoted to the rank of lieutenant general and designated by President Truman as assistant commandant of the Marine Corps. He served in that billet until June 1954, and the following month became commandant of the Marine Corps Schools, Quantico.

Retirement and death

He retired from the Marine Corps and was promoted to the rank of

on January 1, 1956. From 1957 to 1958, he was the first director of the National Security Council (NSC) Net Evaluation Subcommittee (NESC); succeeded by Thomas Hickey.National Security Archive (Internet), 22 July 2014 Thomas died on April 7, 1984, at his

home. He is buried in

Arlington National Cemetery Arlington National Cemetery is the largest cemetery in the United States National Cemetery System, one of two maintained by the United States Army. More than 400,000 people are buried in its 639 acres (259 ha) in Arlington County, Virginia. ...

Biography

Marine Corps service

World War I

Occupation of Haiti

1920s–1930s

World War II

Korean War

Retirement and death

Awards and decorations

See also

Notes

References

Further reading