To support air operations, of bulk petroleum storage was provided, along with a tanker berth with connections to the five storage tanks, which became operational in May 1944. The 19th Naval Construction Battalion worked on a rock-filled pile and crib pier long and wide for Liberty ships. It was not completed before the 19th Naval Construction Battalion left for the Russell Islands, along with the 1st Marine Division, in April 1944. Other works included of open storage, of covered warehouse storage and of refrigerated storage; a 500-bed hospital was completed in May 1944 and a water supply system with a capacity of per day was installed. Despite problems obtaining suitable road surface materials, of two-lane all-weather roads were provided, surfaced with sand, clay, volcanic ash and beach gravel. Timber was obtained locally, and a sawmill operated by the 841st Engineer Aviation Battalion produced of lumber.