To be eligible for membership,a person must be a veteran of a branch of the U.S. Armed Forces and have served during a period of war as defined by the Congress of the United States of America. Eligibility dates are:
| Beginning | Ending | Period of War |
| April 6, 1917 | November 11, 1918 | World War I |
| December 7, 1941 | December 31, 1946 | World War II |
| December 7, 1941 | August 15, 1945 | World War II (U.S. Merchant Marine only) |
| June 25, 1950 | January 31, 1955 | Korean War |
| February 28, 1961 | May 7, 1975 | Vietnam War |
| August 24, 1982 | July 31, 1984 | Lebanon & Grenada |
| December 20, 1989 | January 31, 1990 | Panama |
| August 2, 1990 | (to be determined) | Persian Gulf War |
Once you have confirmed your eligibility with the above information, go to the Membership Form
, fill it out on line, or print and mail it to:
Philip Kirk Post 109
PO Box 581
Challis, ID 83226.