off Cienfuegos on 11 May, when many of her sailors and Marines received Medals of Honor, including seaman Anton Olsen. She then patrolled off Santiago de Cuba until early June. In company with the auxiliary cruiser , Marblehead captured the lower part of Guantánamo Bay as a base for the fleet 7 June, and supported the landing of a battalion of Marines there three days later. Continuing operations in the bay, she helped the pre-dreadnought battleship destroy the Spanish fort on Cayo del Toro on 15 June. On July 26 and 27 she assisted in the clearing of 27 contact mines from Guantanamo Bay, for which three of her crew members, Chief Carpenter's Mate Axel Sundquist, Boatswains Mate Second Class William H. Morin and Ordinary Seaman Samuel Triplett, received the Medal of Honor. The ship remained in Cuban waters until 2 September, when she sailed for the St. Lawrence River on 20 October to participate in ceremonies opening the Champlain Monument in Quebec. Pre–World War I Marblehead repaired at Boston Navy Yard from 2 November 1898 to 9 February 1899, and, following a brief cruise to the Caribbean, proceeded through the Straits of Magellan 16 June to join the Pacific Squadron on 4 July. She cruised off the coast of South America, Mexico, and California until she decommissioned at Mare Island Navy Yard, 30 April 1900. She was recommissioned 10 November 1902, to devote the next four years to cruising along the west coast of North and South America, from Alaska to Chile on training and protocol missions. On 9 January 1903 she collided with in San Francisco Bay in dense fog, doing $2,500 in damage to Pomona. From October 1903 to March 1904, she served as flagship of Rear Admiral Henry Glass, Commander of the Pacific Squadron. The cruiser decommissioned at Mare Island Navy Yard 1 October 1906, and remained at the yard until 31 March 1910, when she was loaned to the California Naval Militia as a training ship. She was placed in commission in reserve, 22 July 1911, and in 1916 was turned over to the Oregon Naval Militia as training ship for that state. World War I Marblehead was again placed in full commission 6 April 1917, at the Puget Sound Navy Yard, and 4 May was ordered to the Pacific Patrol Force. She was employed on convoy, patrol, and survey duty, operating off Mexico and