Iron

Iron may refer to the following:


 * Iron (Material)- A material used by the UNSC.
 * Iron Skull- A skull that can be found in both Halo 2 and Halo 3.
 * Halo 2's Iron Skull
 * Halo 3's Iron Skull
 * Iron (Achievement) - The Halo 3 achievement for obtaining the Iron skull.

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