S.A.L. members include males of all ages whose parents or grandparents served in the U.S. military and were eligible for American Legion membership.

Since 1988, S.A.L. has raised more than $6 million for The American Legion Child Welfare Foundation. S.A.L. members have volunteered over 500,000 hours at veterans hospitals and raised over $1,000,000 for VA hospitals and VA homes. The Sons also support the Citizens Flag Alliance, a coalition dedicated to protecting the U.S. flag from desecration through a constitutional amendment.

All male descendants, adopted sons and stepsons of members of The American Legion, and such male descendants of veterans who died in Service during World I, World War II, the Korean War, the Vietnam War, Lebanon, Grenada, Panama, the Persian Gulf War and the War on Terrorism, during the delimiting periods set forth in Article IV, Section 1, of the National Constitution of The American Legion, or who died subsequent to their honorable discharge from such service, shall be eligible for Membership in the Sons of The American Legion.

There shall be no forms or class of membership except an active membership.