Award-winning Forrest Gump actor/veterans advocate Gary Sinise is bringing his 'Lt. Aside from his work in Hollywood, Sinise has spent decades championing causes to support those who serve, even starting his own Gary Sinise Foundation about 15 years ago. "Mac was one of our own – an integral part and continued inspiration to the Gary Sinise Foundation. Andy Kropa, Getty Images Andy Kropa, Getty ImagesTickets for this event will be available for sale starting August 6th through the Collins Center Box Office. Facts To Know About Veterans Day Gallery Credit: DreDay20+ Deals For Veterans and Active Duty Military For Veterans Day