In the sea battles around Guadalcanal, the US Navy suffered three times the KIA of Marines, about 4,500 to 1,500.
Under the “defeat Germany first” strategy, Churchill and Roosevelt were willing to give up Australia, New Zealand before visiting hell on the Japs. Be thankful the CNO, Earnest King, disagreed.
God bless the USMC. Just stop crapping on your brethren.