"Biloxi" rearmed and replenished and got underway on 7 March in company with "Enterprise", "Belleau Wood", two other light cruisers and eight destroyers. Heading south, the task group crossed the equator, at which time Neptune ceremonies were held and "Biloxi" made loyal shellbacks out of some 1,139 polywogs, and arrived at Espiritu Santo on the 11th. There, the warships loaded supplies and provisions before proceeding to Emirau in the Bismarck Archipelago. The light cruiser then covered the Marine landings on the 20th and again on the 25th.