At the same time that Hyakutake 's troops were attacking the Lunga perimeter , Japanese aircraft carriers and other large warships under the overall direction of Isoroku Yamamoto moved into a position near the southern Solomon Islands .
At the same time that Hyakutake 's troops were attacking the Lunga perimeter , Japanese aircraft carriers and other large warships led by Isoroku Yamamoto moved near the southern Solomon Islands .
The Amami and Ryūkyū Islands ( Yanbaru ) have been selected for nomination as a joint fifth Natural Site and a study panel is to be formed to consider a sixth candidate site .