Susan Eisenhower's father served in what capacity for the United States Army?
Susan Eisenhower:  She is the daughter of John Eisenhower, and the granddaughter of President Dwight D. Eisenhower. John Eisenhower: John Sheldon Doud Eisenhower (August 3, 1922 – December 21, 2013) was a United States Army officer and military historian.
United States Army officer and military historian