He was stationed in Alaska when the Spanish–American War broke out in April 1898. McCain sailed with his regiment to the Philippines in May, and was present for the Battle of Manila. He served as the acting assistant adjutant general for U.S. forces in the Philippines, but had to return to the United States in September due to illness. He held various staff positions in the Department of the Columbia and was promoted to captain in March 1899.[4][2]
In November 1900, McCain was promoted to major and transferred to the Adjutant General's Office in Washington, D.C. He was promoted again to lieutenant colonel in January 1901. In August 1903, he was assigned as chief of staff for the Department of Mindanao in the Philippines. In March 1904 he returned to the United States as chief of staff for the Southwestern Division. And in April 1904 he was promoted to colonel and returned to the Adjutant General's Office in Washington, where he served until the autumn of 1912.[5][2]
In June 1920, McCain reverted to his permanent peacetime rank of colonel and served as adjutant of the Sixth Corps Area until his retirement in July 1921. He served as governor of the United States Soldiers' Home in Washington, D.C. from May 1927 to April 1936. He died in Washington on July 25, 1941, shortly before the United States was to enter World War II, and is buried in Arlington National Cemetery.[7][8][9][2]
Awards and honors
He received the Army Distinguished Service Medal for his services in administering the Adjutant General's Department during World War I. The citation for the medal reads:
The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting the Army Distinguished Service Medal to Major General Henry Pinckney McCain, United States Army, for exceptionally meritorious and distinguished services to the Government of the United States, in a duty of great responsibility during World War I. In administering the Adjutant General's Department during the early period of the war, through his efficient management this department was able to meet the excessive burdens placed upon it.[10]
He also received the following service medal during his long military career:
^Cullum, George W. (1910). Biographical Register of the Officers and Graduates of the U. S. Military Academy, Volume V. Saginaw, Michigan: Seeman & Peters. pp. 372–373.
^Cullum, George W. (1920). Biographical Register of the Officers and Graduates of the U. S. Military Academy, Volume VI. Saginaw, Michigan: Seeman & Peters. p. 400.