Service/branch United States Army Rank Major General Parents Adna Chaffee | Years of service 1906–1941 Name Adna Chaffee, | |
 | ||
Born September 23, 1884
Junction City, Kansas ( 1884-09-23 ) Allegiance United States of America Commands held 7th Cavalry Brigade
I Armored Corps Battles/wars World War I
Saint-Mihiel offensive
Meuse-Argonne offensive Died August 22, 1941, Boston, Massachusetts, United States Education United States Military Academy Place of burial Arlington National Cemetery, Arlington, Virginia, United States Battles and wars World War I, Battle of Saint-Mihiel, Meuse-Argonne Offensive Similar People Adna Chaffee, Hunter Liggett, Henri Gouraud, Henri Mathias Berthelot, Georg von der Marwitz | ||
Adna Romanza Chaffee, Jr. (September 23, 1884 – August 22, 1941) was a major general in the United States Army, called the "Father of the Armored Force" for his role in developing the U.S. Army's tank forces.
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Early years
Adna Chaffee, Jr. was the son of Lieutenant General Adna R. Chaffee, Sr.. Born in Junction City, Kansas, on September 23, 1884, he was commissioned a Lieutenant of Cavalry in 1906 after graduating from the United States Military Academy, and won recognition as the "Army's finest horseman."
Upon his father's death in 1914, he became an Hereditary First Class Companion of the Military Order of the Loyal Legion of the United States.
Career
In World War I, he was an Infantry Major with the IV Corps during the Battle of Saint-Mihiel. As a Colonel, he later served with the III Corps throughout the Meuse-Argonne Offensive.
Following the war, he returned to his Regular Army rank of Captain of Cavalry and became an instructor at the General Staff School and the Army School of the Line at Fort Leavenworth. During the 1920s, he helped develop the armor concepts and doctrine of the future. He predicted in 1927 that mechanized armies would dominate the next war and assisted in the first program for the development of a U.S. Army armored force. Assigned to the 1st Cavalry Division in 1931, he continued to develop and experiment with armored forces, thus becoming the leading American advocate of mechanized warfare.
In 1938, he assumed command of the reorganized 7th Cavalry Brigade, the Army's only armored force. Chaffee battled continuously during the prewar years for suitable equipment and for establishment of armored divisions. With the collapse of the French Army in June 1940, Chaffee's 1927 predictions of the importance of armored forces in modern warfare were confirmed.
Chaffee died of cancer on August 22, 1941, in Boston, Massachusetts.
Legacy
The M24 Chaffee light tank was later named after him.
Fort Chaffee, Arkansas, near Fort Smith, Arkansas, was named in his honor.