Bussard-class cruiser was present in the Caribbean during the Spanish–American War in 1898, though she took no active role in the conflict. Between 1898 and 1900, "Bussard" and "Seeadler" were modernized in Germany. In 1900, "Seeadler" participated in the suppression of the Boxer Rebellion in China, including a blockade of the Chinese coast. In December 1902, "Falke" and the protected cruiser joined British forces in the Venezuela Crisis of 1902–03 after Venezuelan forces seized a British merchant ship. The two cruisers helped British warships bombard Venezuelan coastal fortifications and blockade the coast. "Cormoran" and "Geier" were modernized between 1907 and 1909; only
Spanish cruiser Infanta Maria Teresa of the Kiel Canal. "Infanta María Teresa" was the flagship of Spanish Vice Admiral Pascual Cervera y Topete, commander of the Spanish Navy's 1st Squadron, when tensions with the United States were rising after the explosion and sinking of the US battleship "Maine" in the harbor at Havana, Cuba on 15 February 1898. The squadron concentrated at São Vicente in Portugal's Cape Verde Islands; departing Cadiz on 8 April 1898. "Infanta María Teresa", the armored cruiser , and three destroyers arrived at São Vicente on 14 April 1898, experiencing machinery problems and burning excessive amounts of coal during the voyage.