The bugle is a brass instrument used for marching purposes. They have been used in the military, bands, and drum corps. The standard bugle has no valves, but looks like a trumpet, and can only play certain intervals.
There are other types of bugles: Soprano, Alto, Mellophone, French horn, Baritone, Euphonium, and Contrabass. All the above instruments have been marched in Drum and Bugle Corps.
Did you see that bugle? It had one valve and one rotor!