Question: The 9th Amphibian Tractor Battalion was integral to the Pacific War battle nicknamed what?
Sentence (from "3rd Battalion, 9th Marines"): The 3rd Battalion, 9th Marines was initially a subordinate unit of the 9th Marine Regiment, 3rd Marine Division, but was later operationally transferred to the 1st Marine Division as a subordinate unit of the 7th Marine Regiment where it remained until its redesignation as 3/4.
Relevant evidence: No