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Were US Marines tougher than elite German troops in WW2?
What was the most challenging battle that the US Marines faced in WW2?
One of the most challenging battles for the US Marines was the Battle of Iwo Jima. The Japanese defenders had prepared an extensive network of tunnels and bunkers, and the terrain was extremely difficult to navigate. Despite facing heavy resistance, the US Marines were able to secure the island after a hard-fought battle.