
Memberships
Regular Membership:
1. Only persons who are currently serving or have served honorably in the U.S. Marine Corps on active duty for not less than ninety (90) days*.
2. Only persons who have served or are currently serving in the U.S. Marine Corps Reserve and have earned no less than ninety (90) Reserve Retirement Credit Points.
3. Only persons who have served or are currently serving as a U.S. Navy Corpsman who have trained with Marine FMF units in excess of ninety (90) days and earned the Marine Corps Device or Warfare Device worn on the Service Ribbon authorized for FMF Corpsmen.
4. If discharged, persons are in receipt of an Honorable Discharge or DD-214. Persons will be required to provide proof prior to acceptance of the application. Original Documents are examined and returned immediately to the person. Typically, the night you attend a meeting, you are sworn into the Detachment.
5. Annual fee is $40.00 for one (1) year’s membership ($45.00 for new members).
6. Includes a free subscription to “SEMPER FI, The Magazine of the Marine Corps League”
* Korean War era Marines See National Bylaws Article 6, Section 600 (a)
Oath of Regular Membership:
I, _______________________, in the presence of Almighty God, do solemnly swear or affirm that I will uphold and defend the Constitution and Laws of the United States of America and of the Marine Corps League Castle Rock Detachment 904. I will never knowingly deceive or defraud the League to the value of anything. I will never knowingly wrong or injure or permit a member or any member’s family to be wronged or injured if to prevent the same is within my power. I will never propose for membership one known to me to be unqualified or unworthy to become a member of the League. I further promise to govern my conduct in the League’s affairs and in my personal life in a manner that becomes a decent and honorable person and will never knowingly bring discredit to the League, so help me, God.
Associate Membership:
1. Those individuals not qualified for regular membership in the Marine Corps League who espouse the principles and purposes of the Marine Corps League as contained in its Congressional Charter may, upon application to Detachment 336, be accepted for associate membership in the Marine Corps League.
2. Associate members will pay dues in the same amount as prescribed for Regular members. An associate member shall be entitled to the rights, privileges, and benefits of a regular member; however, such member shall not vote on a membership application, an election of officers, or hold an elective office.
3. Associate Members may vote on internal Detachment affairs provided such vote does not affect a policy of the Marine Corps League Castle Rock Detachment 904.
4. Annual fee is $40.00 for one (1) year’s membership ($45.00 for new members). Life Memberships are available.
5. Includes a free subscription to “SEMPER FI, The Magazine of the Marine Corps League, Castle Rock Detachment 904.
Oath of Associate Membership:
I, ______________________, in the presence of Almighty God, being fully aware that as an Associate Member, I will not be permitted to hold elective office or to vote on Marine Corps League Castle Rock Detachment 904 policy, a membership application, or an election of officers, do solemnly swear or affirm that I will uphold and defend the Constitution and laws of the United States of America and of the Marine Corps League Castle Rock Detachment 904. I will never knowingly deceive or defraud the League to the value of anything. I will never knowingly wrong or injure or permit a member or any member’s family to be wronged or injured if to prevent the same is within my power. I will never propose for membership one known to me to be unqualified or unworthy to become a member of the League. I further promise to govern my conduct in the League’s affairs and in my personal life in a manner that becomes a decent and honorable person and will never knowingly bring discredit to the League, so help me, God.
Life Membership:
Regular Members and Associate Members are all qualified for Life Membership.
Age to and including 35 years, $500.00
Age 36 to and including 50 years, $400.00
Age 51 to and including 64 years, $300.00
Over 65 years, $200.00
You may become a Life Member immediately upon joining the Detachment. You would be required to pay your first year's Annual Fee plus the Life Member Fee.
Example: 66-year-old New Member who wants to become a Life Member immediately.
$45.00 + $200.00 = $245.00

Dual Membership and Dual Life Membership
1. Any Member or Associate Member of another Detachment can become a Dual Member or Dual Life Member of this Detachment.
2. Dual Membership means you belong to more than one Detachment. Dual, in this case, could mean 2, 3, 4, or more Detachments.
3. You must pay your Annual Fee or Life Membership Fee to each Detachment that you belong to.
4. You will be required to qualify the same as any Regular or Associate Member, as described above.
Membership
1) Download the membership application and confirm your eligibility
2) Mail completed and signed application to the detachment with payment (or pay online)
New Member $45
Renewal $40
Life Membership $500
(Up to 25 years old)
Life Membership $400
(Between 26 to 50 years old)
Life Membership $300
(Between 51 to 64 years old)
Life Membership $200
(Over age of 65 years old)