A rare World Ward II rubber intelligence map of Iwo Jima was returned to the Battleship USS North Carolina this week. The battleship took part in the US Navy and Marine assault on the Japanese-held island during a brutal World War II battle.

Over the past six months, a conservation effort at East Carolina University preserved the rubber relief map by removing previous restorations that caused deterioration. The map is now stored in an oxygen free environment to ensure the rubber does not deteriorate further and will be on display along with the rest of the battleship's collections.

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