| Mexican Border | May 9, 1916 to April 5, 1917 |
| World War I | April 6, 1917 to November 11, 1918 April 1, 1920 if served in Russia |
| World War II | December 7, 1941 to December 31, 1946 |
| Korean War | June 27, 1950 to January 31, 1955 |
| Vietnam War | August 5, 1964 to May 7, 1975 February 28, 1961 if served in Vietnam |
| Persian Gulf War | August 2, 1990 to [date not yet determined] |
