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In page National Association of Rocketry:

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The NAR and the Museum of Flight executed a Memorandum of Understanding in 2013 to develop a major sport rocketry exhibit and host the archival collections of G. Harry Stine and Vern and Gleda Estes, key figures in the history of the rocketry hobby.[2] This is the first permanent exhibit exclusively for model rocketry in an American museum, and was dedicated on February 21, 2015. [3]