The ships were named , , and and were designated "Battleship Number 1" through "3". All three served in the Spanish–American War, although "Oregon"—which was stationed on the West Coast—had to cruise around South America to the East Coast first. After the war, "Oregon" returned to the Pacific and participated in the Philippine–American War and Boxer Rebellion, while her sister ships were restricted to training missions in the Atlantic Ocean. After 1903, the obsolete battleships were decommissioned and recommissioned several times, the last time during World War I when "Indiana" and "Massachusetts" served as training ships, while "Oregon" was a transport escort for the Siberian Intervention.