Choiseul Province for the island are Choiseul and Lauru. San Marcos is not commonly used at this present day. Choiseul Province was initially not part of the British Solomon Islands. Like Buka, Bougainville (both now part of Papua New Guinea's North Solomons Province), Santa Isabel, and the Ontong Islands, it was part of the German Solomon Islands in 1884. Fifteen years later, in 1899, Germany ceded Choiseul, Isabel and Ontong Java to the British to become part of the British Solomon Islands. In 1900, Charles Woodford, the Resident Commissioner for the Solomon Islands sailed to Choiseul via Isabel on a ship named
Battle of Savo Island events, and in 2014, the U.S. Navy's Naval History and Heritage Command acknowledged in a letter to the Hudson's radio operator, who had lobbied for decades to clear his crewmates' name, that Morison's criticisms were "unwarranted." Mikawa's floatplanes returned by 12:00 and reported two groups of Allied ships, one off Guadalcanal and the other off Tulagi. He reassembled his warships and began his run towards Guadalcanal, entering the Slot near Choiseul by 16:00 on August 8. Mikawa communicated the following battle plan to his warships: "On the rush-in we will go from S. (south) of Savo Island and torpedo the