Various sections of the Troopers Drum & Bugle Corps spread out over the Natrona County High School campus on Thursday.
Horns, drums, flag and keyboard sections each worked individually on their parts, attempting to iron out every detail before all joining together as a group in the early afternoon to work through their set.
The marching band is celebrating its 60th-anniversary this year, and will give a free performance tonight at the Fort Caspar Museum starting at 7:00.
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As is tradition, the Troopers will perform in the annual Drums Along the Rockies at NCHS on Friday evening along with three other drum corps from around the country. Tickets can be purchased here.