Action of 13 June 1898 Action of 13 June 1898 The Action of 13 June 1898 was a minor naval engagement of the Spanish–American War fought near Cienfuegos, Cuba, between the American auxiliary cruiser USS "Yankee" under Commander Willard Herbert Brownson and the Spanish gunboat "Diego Velázquez" under Teniente de Navío de 1ª clase Juan de Carranza y Reguera, which had exited the port to inspect a suspicious steamer which proved to be "Yankee". "Diego Velázquez", markedly inferior to "Yankee" in armament, managed to return to Cienfuegos, where it was joined by the small gunboats "Lince" and "Cometa". After the appearance of the latters, "Yankee"
USS Maine (ACR-1) later that year. While the sinking of "Maine" was not a direct cause for action, it served as a catalyst, accelerating the approach to a diplomatic impasse between the U.S. and Spain. The cause of "Maine"s sinking remains a subject of speculation. In 1898, an investigation of the explosion was carried out by a naval board appointed under the McKinley Administration. The consensus of the board was that "Maine" was destroyed by an external explosion from a mine. However, the validity of this investigation has been challenged. George W. Melville, a chief engineer in the Navy, proposed that a more