The warhead.zip file you have requested: Skins / Robots / Warhead - 3.48mb is not available. Perhaps try browsing all files for the game Unreal Tournament 2004 and upload any files you want to share or are missing. This is the only information we could locate:
A new skin for the Corrosion model. Alien Male 2 voicepack is the default voice and team support is included.