The Regiment of Mounted Grenadiers serves as a part of the Argentine Army, serving as the presidential guard and ceremonial mounted detachments. Two unmounted grenadiers are stationed in front of the Pink House as a symbol of the ceremonial and honour guard. They also provide security to the Buenos Aires Metropolitan Cathedral, where its founder's remains are buried, and at the Palace of the Argentine National Congress, as well as in the other presidential residences. Raised in 1813, it is designated as the senior regiment of cavalry in the Army.