He attained the rank of major general, and is best known for his World War I command of Camp Wadsworth (near Spartanburg, South Carolina) and the 96th Division.

[1] Carleton was an 1881 graduate of the United States Military Academy; assigned to the Cavalry, he served throughout the west during the last of the American Indian Wars.

[2] He returned to Texas in the 1850s and settled in Austin; awarded bounty lands in recognition of his military service, Carleton sold his grants to finance the start of a newspaper.

B. Smith School and Texas Military Academy, after which he began to study law in the office of his older brother Frederick.

[3] Carleton performed recruiting duty in Saint Paul, Minnesota from 1895 to 1897, after which he rejoined the 2nd Cavalry at Fort Riley, Kansas.

[3] As commander of the garrison based at Fort Ringgold near Rio Grande City, Texas, Carleton was commended for his work to improve civilian goodwill towards the soldiers in the area, which had been in decline during the war.

[3] Upon completing the 10-week course, Carleton became a student at the United States Army War College; after his graduation, he was retained there as an instructor.

[4] In 1914, Carleton was assigned to the Port of Galveston, Texas as embarkation officer, and was responsible for arranging transportation for troops, animals and equipment taking part in the Veracruz Expedition.

[3] At the start of World War I, Carleton was promoted to temporary brigadier general, and assigned to command Camp Zachary Taylor, Kentucky and the 159th Depot Brigade.

[3] After completing his demobilization duties, Carleton reverted to his permanent rank of colonel, and commanded the 10th Cavalry Regiment in Arizona;[4] he served again with the Inspector General's Department in San Francisco until he retired on September 9, 1921.

[3] He died in San Antonio on January 8, 1946,[1] and was buried at Fort Sam Houston National Cemetery, Section E, Site 383.

[5] Cora's biography has been edited and annotated by her grandson, Dr. William Guy Carleton Parke, and published with the title, Tales of a Frontier Cavalryman, distributed by Amazon.