 Complete the following phrase:  The Nggela Islands group lies immediately north of the more famous island of Guadalcanal, the scene of the Guadalcanal Campaign during World War II; however, Nggela Sule itself was garrisoned by the Japanese in April 1942 in connection with their efforts to establish a seaplane base on neighbouring Gavutu. On 7 August of the same year, the United States 1st Battalion, 2nd Marine Regiment landed on the island to provide cover for the 