(Trent Nelson | The Salt Lake Tribune) Layne Christensen at his wind tunnel testing facility Darko Technologies, in Ogden, Friday September 22, 2017. Ogden, which has established itself as a hub for outdoor recreation companies, hosted a trade mission of companies from four European countries and signed a cooperation agreement in hopes of stimulating business between the two sides.(Trent Nelson | The Salt Lake Tribune) Wind tunnel testing facility Darko Technologies, in Ogden, Friday September 22, 2017. Ogden, which has established itself as a hub for outdoor recreation companies, hosted a trade mission of companies from four European countries and signed a cooperation agreement in hopes of stimulating business between the two sides.