The International Archaelogical Survey is a team in search of Alien fossils. This team is lead by Dr. Rosenthal while his daughter, Helena Rosenthal, is also part of the IAS.

During CrysisEdit

This team is very important in Crysis seeing how this team finds the first remnants of the Aliens and practically spearheads the campaign. Helena Rosenthal finds the first fossil, this coupled with the event of the occupation of KPA leads her to make a distress call.

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