Which military branch did both Howard McCrum Snyder and Dwight D. Eisenhower serve in? 
Howard McCrum Snyder: Major General Howard McCrum Snyder (February 7, 1881 - September 22, 1970) was a member of the United States Army Medical Corps, and Physician to the President for Dwight D. Eisenhower. Dwight D. Eisenhower: Dwight David "Ike" Eisenhower ( ; October 14, 1890 – March 28, 1969) was an American politician and Army general who served as the 34th President of the United States from 1953 until 1961. Dwight D. Eisenhower:  During World War II, he was a five-star general in the United States Army and served as Supreme Commander of the Allied Expeditionary Forces in Europe.
United States Army