The annual Happy Birthday USA celebration has been scheduled for June 26 from noon to 10 p.m. at the Camp Langston RV Resort. The event will feature fireworks and live music from top artists such as Saints Eleven, Sunny Sweeney, and Cody Canada & the Departed. There will also be a car show, family games, water slides, train rides, food and craft vendors, and carnival rides. Guests are encourag…