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Members of the 2nd Battalion, 17th Infantry, advance into the field carrying M60 machine guns during combined Army-Air Force Live Fire Exercises (CALFEX IV) at the Yukon Command Training Site - PICRYL
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Correlation between the results of three physical fitness tests (endurance, strength, speed) and the output measured during a bicycle ergometer test in a cohort of military servicemen – topic of research paper
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