U.S. military veterans can verify their status with a GovX account at the United Parks website – you then have until May 12 to claim your free single-day ticket(s), and until July 7 to use them. (Active-duty military and their guests aren't excluded – they get 1-day complimentary admission all year long.) Service members and their direct dependents must have a valid active military ID to participate. Shop Now at United Parks & Resorts