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　　Agusta 109K2: Alpine Medivac Rescue　　Straight Up's exploration of vertical flight begins with a high-impact alpine rescue amid an avalanche. The dramatic opening sequence documents the dangerous work of the Rega mountain rescue team and the invaluable role of the Agusta A109K2 helicopter in saving lives and minimizing injuries.　　As the camera pans over beautiful vistas of the snow-covered Swiss Alps, it cuts to a cornice, as a chunk of snow breaks free, triggering an avalanche. The tranqui