Fever)" necessitated a recess from activities, and Peacock pulled into Norfolk, Virginia on 28 November 1822. Similarly yellow fever decimated the frigate , which lost 74 members of its crew to the disease, before finally returning to Norfolk. The symptoms per Dr. Travett, included, bleeding in the mouth, nose, eyes, and the gastrointestinal tract which caused vomit containing blood, hence the Spanish name for Yellow Fever, vómito negro ("black vomit"). Captain Stephen Cassin writing to Secretary of the Navy, Smith Thompson, on 31 October 1822 confirmed the outbreak and stated, the crew suffered the "black vomit." South Pacific coast and Hawaiʻi In July 1823, the sloop was involved in the Battle of Lake Maracaibo and Mr. Peter Storms decided to join the Independentist cause, who won their independence on 3 August. Later, in March 1824, the sloop proceeded to the Pacific and for some months cruised along the west coast of South America, where the colonies were struggling for independence. In September 1825, Peacock under the command of Commodore Thomas ap Catesby Jones, sailed to the Kingdom of Hawaiʻi, where a treaty of friendship, commerce and navigation was negotiated.The Hawai'i-United States Treaty of 1826 From 24 July 1826 until 6 January 1827, the sloop visited other Pacific islands to protect American commerce and the whaling industry. Returning to South America from Hawaii, the ship was struck by a whale, suffering serious damage. Nevertheless, she reached Callao, from which she departed 25 June for New York. USS Peacock (1828)Peacock returned to New York in October 1827 to be decommissioned, broken up and rebuilt in 1828 for a planned expedition of exploration. Her size and configuration stayed about the same, but her guns were reduced to ten: eight long 24-pounders (10.89 kg) and two long 9-pounders (4.08 kg). When plans for the exploratory voyage stalled in Congress, she re-entered regular service in the West Indies from 1829 to 1831. Following refit, both Peacock and the newly commissioned Boxer, a 10-gun schooner, were ordered to assist the frigate Potomac, which had just sailed on the first Sumatran Expedition. The two ships were also charged with diplomatic missions. Boxer left Boston Harbor about the middle of February 1832, with orders to proceed to Liberia and from thence to join Peacock off the coast of Brazil; Peacock sailed on 8 March 1832 under Commander David Geisinger. Diplomatic missionsPeacock conveyed Mr. Francis Baylies and family to