New for 2018, paid participation in the Battle of the Bulge Commemoration will give you instant membership to WWIIHA.
Membership in WWIIHA provides certain tax advantages for those who are eligible to itemize deductions. The major areas of benefit include the Mileage driven to events, cost and upkeep of uniforms unsuitable for everyday wear, meals and lodging if the event requires you to be away from home overnight, and dues. As with all issues related to income tax preparation and submission, make sure you read all applicable IRS publications and that if you are in doubt about what may or may not be deductible, consult a qualified tax attorney or accountant.
Further information could also be obtained frrom IRS Pub 526 - Charitable Contributions