List of Presidents of the United States by military service

The United States Constitution names the President of the United States the commander in chief of the U.S. armed forces. However, previous service in the military is not a pre-requisite for the position of president. , no member of the U.S. Marine Corps or U.S. Coast Guard has yet been elected President. The most frequent military experience is Army/Army Reserve with 15 presidents, followed by State Militias at 9, Navy/Naval Reserve at 6 and the Continental Army with 2 presidents serving. The following list outlines the military service of each president before becoming the commander in chief.