Adna R. Chaffee Jr.

Adna R. Chaffee Jr.
Born	(1884-09-23)September 23, 1884 Junction City, Kansas, U.S.
Died	August 22, 1941(1941-08-22) (aged 56) Boston, Massachusetts, U.S.
Place of burial	Arlington National Cemetery
Allegiance	United States
Service / branch	United States Army
Years of service	1906–1941
Rank	Major general
Commands	7th Cavalry Brigade I Armored Corps
Battles / wars	World War I Saint-Mihiel offensive Meuse-Argonne offensive
Awards	Distinguished Service Medal (2)
Relations	Lieutenant general Adna Chaffee (father)
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Adna Romanza Chaffee Jr. (September 23, 1884 – August 22, 1941) was an officer in the United States Army, called the "Father of the Armored Force" for his role in developing the U.S. Army's tank forces.