The Battle of Iwo Jima is known for having what characteristics?

The Battle of Iwo Jima, fought during World War II, is indeed recognized for both its status as the largest all-Marine battle and for its exceptionally high casualty rate among Marines.

This battle involved a significant number of Marine Corps personnel and marked a pivotal moment in the Pacific campaign, showcasing the Marine Corps' ability to conduct extensive and coordinated amphibious assaults against fortified enemy positions. The scale of the operation underscores why it is referred to as the largest all-Marine battle.

In terms of casualties, Iwo Jima suffered some of the heaviest losses for U.S. Marine forces during World War II, with a casualty rate exceeding 25%. This staggering rate not only highlights the ferocity of the combat and the challenging terrain but also underscores the sacrifices made by the Marines involved in the campaign.

Both of these characteristics—being the largest all-Marine battle and having the highest casualty rate—solidify Iwo Jima’s critical place in Marine Corps history, making the combination of these two facts the correct answer.