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University Library, University of Illinois at Urbana-Champaign
The American Helicopter Society (AHS) International is the world’s oldest and largest technical society dedicated to enhancing the understanding of vertical flight technology.
Formed in 1954, the AAS is the premier independent scientific and technical group in the United States exclusively dedicated to the advancement of space science and exploration.
The Association for Unmanned Vehicle Systems International is the world's largest non-profit organization devoted exclusively to advancing the unmanned systems and robotics community.