In July, 2007, 14 Swiss soldiers were taken on an ascent of the Jungfrau by their UIAGM guides. In the ensuing avalanche, six of the soldiers were killed. Their guides face a criminal enquiry. This avoidable tragedy mirrors, to a degree, a fatal accident on the Aiguille Vert in July, 1964, when nine aspirant guides were taken into slab avalanche conditions by five UIAGM guides; instructors from ENSA, Chamonix. The nine clients and five qualified guides died when they were all avalanched down the Cordier Couloir.
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