Adna Romanza Chaffee, Jr. (23 September 1884–22 August 1941), was a major general in the United States Army, called the "Father of the Armored Force" for his role in developing the US Army's tank forces. Image File history File links Size of this preview: 108 × 145 pixelsFull resolution (108 × 145 pixel, file size: 15 KB, MIME type: image/jpeg) Adna Chaffee Jr. ... 7th Cavalry Regiment Distinctive Unit Insignia The 7th United States Cavalry Regiment is a United States Army cavalry regiment, whose lineage traces back to the mid-19th century. ... 7th Cavalry Regiment Distinctive Unit Insignia The 7th United States Cavalry Regiment is a United States Army cavalry regiment, whose lineage traces back to the mid-19th century. ... September 23 is the 266th day of the year (267th in leap years). ... 1884 (MDCCCLXXXIV) is a leap year starting on Tuesday (click on link to calendar) of the Gregorian calendar (or a leap year starting on Thursday of the 12-day-slower Julian calendar). ... August 22 is the 234th day of the year in the Gregorian calendar (235th in leap years), with 131 days remaining. ... For the movie, see 1941 (film). ... The United States Army is one of the armed forces of the United States and has primary responsibility for land-based military operations. ... Soldiers from U.S. 3d Armored Cavalry Regiment provide overwatch for other troops with their M1 Abrams main battle tank in Biaj, Iraq. ...

Adna Chaffee, Jr. was the son of lieutenant general Adna R. Chaffee, Sr.. Born in Junction City, Kansas on 23 September 1884, he was commissioned a lieutenant of cavalry in 1906 after graduating from West Point{31/78}, and won recognition as the "Army's finest horseman." In World War I he was an infantry major with the U.S. IV Corps during the St. Mihiel offensive, and as a colonel, he later served with the U.S. III Corps throughout the Meuse-Argonne offensive. General Adna R. Chaffee Adna Romanza Chaffee (April 14, 1842—November 1, 1914) was a General in the United States Army. ... Junction City is a city located in Geary County, Kansas, United States. ... Soldiers or warriors who fought mounted on horseback in combat are commonly known as cavalry (from French cavalerie). ... 1906 (MCMVI) was a common year starting on Monday (see link for calendar). ... Alternate meanings: West Point (disambiguation). ... This article is becoming very long. ... Combatants United States German Empire Commanders John J. Pershing Georg von der Marwitz Strength American Expeditionary Force German Fifth Army Casualties 7,000 2000 dead and 5500 wounded The Battle of Saint-Mihiel was a World War I battle fought between September 12 - 15, 1918, involving the American Expeditionary Force... For the III Corps of the Union Army during the American Civil War, see III Corps (ACW). ... Combatants United States German Empire Commanders John J. Pershing Georg von der Marwitz Strength American Expeditionary Force German Fifth Army Casualties 26,277 killed 95,786 wounded 122,066 total 28,000 killed 92,250 wounded 120,250 total The Meuse-Argonne Offensive was the final offensive of World War...

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 (United States) in 1931, he continued to develop and experiment with armored forces, thus becoming the leading American advocate of mechanized warfare. The Regular Army is the permanent force of the United States Army or any Countrys army that is maintained during peacetime, as opposed to those persons who may be part of a reserve or national guard outfit. ... The Command and General Staff College (C&GSC) at Fort Leavenworth, Kansas is a United States Army facility that functions as a graduate school for U.S. military leaders. ... In 1827, Colonel Henry Leavenworth established a post on the bluffs overlooking the western bank of the Missouri River to protect the fur trade, safeguard commerce on the Santa Fe Trail and maintain the peace among the inhabitants. ... The 1920s is a decade sometimes referred to as the Jazz Age or the Roaring Twenties, usually applied to America. ... 1927 (MCMXXVII) was a common year starting on Saturday (link will display full calendar). ... Mechanized military units are otherwise slow-moving or immobile military units that have had trucks or other ground transport systems added to their formation to add to or improve their mobility. ... The 1st Cavalry Division (1st Cav Div) is a heavy armored division of the United States Army with base of operations in Fort Hood, Texas. ... 1931 (MCMXXXI) was a common year starting on Thursday (link is to a full 1931 calendar). ...

In 1938 he assumed command of the reorganized U.S. 7th Cavalry Regiment, the Army's only armored force. General Chaffee battled continuously during the prewar years for suitable equipment and for establishment of tank divisions. With the collapse of the French Army in June 1940, General Chaffee's 1927 predictions of the importance of armored forces in modern warfare were confirmed. Year 1938 (MCMXXXVIII) was a common year starting on Saturday (link will take you to calendar). ... 7th Cavalry Regiment Distinctive Unit Insignia The 7th United States Cavalry Regiment is a United States Army cavalry regiment, whose lineage traces back to the mid-19th century. ... A division is a large military unit or formation usually consisting of around 10,000 soldiers. ... The French Army (French: Armée de Terre) is the land-based component of the French Armed Forces. ... This article does not cite its references or sources. ...

Chaffee died of cancer on 22 August 1941 in Boston, Massachusetts. Nickname: City on the Hill, Beantown, Athens of America, The Hub (of the Universe)1 Location in Massachusetts, USA Coordinates: Country United States State Massachusetts County Suffolk County Government  - Mayor Thomas M. Menino (D) Area  - City  89. ...

The M24 Chaffee light tank was later named for him. The factual accuracy of this article is disputed. ...

External links

• Army.mil: Adna Chaffee, Jr.
• ArlingtonCemetery.net: Adna Chaffee, Jr.