A joint command had to shield an amphibious operation

The Allied command chart linked William Halsey and Richmond Turner with air and ground commanders, including John S. McCain Sr., Aubrey Fitch, and Millard Harmon. Halsey's willingness to keep an advance moving could be valuable when standing still or retreating would cost more, even though his judgment was not flawless. Turner brought extensive amphibious experience to an operation that depended on several services. The precise division of air responsibilities between McCain and Fitch remains provisional because the accounts consulted describe broad campaign periods without clear handover dates. One possible explanation is that their headquarters covered each other's responsibilities while moving forward, but that is a reconstruction rather than an established sequence. The American force had to protect the landing and its resupply, while the Japanese force sought to disrupt them before the beachhead became secure.