The various aspects of the current and future ATLAS programs to explore hadronic physics, including diffraction and forward physic are discussed The emphasis is placed on those results and future plans that have particular relevance for high-energy, and ultra high-energy, cosmic ray physics. In closing the latest ATLAS results on the search for the Higgs boson are summarized. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2 0 , which .

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