CASPER, Wyo. –– Hours of practice are paying off for members of the 2026 Troopers Drum & Bugle Corps. The dozens of performers have been painstakingly practicing this year’s program in Casper since June 1. The group is preparing to premiere the show next week with a special free concert in Casper before hitting the road on tour. Next week will also feature the launch of TroopCon 2026, which includes numerous events around the Casper area. (Dan C…