Bugle and trumpet calls of the Mexican Armed Forces
The Mexican Armed Forces have a number of bugle and trumpet calls for the different branches. Drums and bugles are used to signal the various calls for most units of the Army, Navy and Air Force while the cavalry trumpet is used to signal calls for the cavalry units of the Army, Army artillery units and the Air Force. Many of the calls and signals listed below are also used by civilian drum and bugle bands. Branch calls. Mexican Army. The Mexican Army uses 129 bugle calls. Most are played by  drummers and buglers in the infantry bands and the engineers. The remainders are played by trumpeters of the cavalry and artillery. Mexican Navy. Drum and bugle calls are always performed by the Mexican Navy's drum and bugle bands, whether aboard ships or on land. Mexican Air Force. Drum and bugle calls of the Mexican Air Force are used on the ground on airbases.