the show is a benefit for the St. Tammany Parish Department of Animal Services and they will be on sight during the show with pets available for adoption. The GNO Miliary Show offers FREE Adoptions (we cover the cost) for ALL former military, active duty military, retired military, law enforcement and first responders. Any of these individuals will be able to adopt a pet FREE of charge at our show. The Greater New Orleans Militaria Show will be held on Oct 3rd – 4th, 2026 in Mandeville, LA. This Mandeville gun show is held at Castine Center and hosted by Greater New Orleans Militaria Show.