 Further development was halted during the war years afterward, although the Tenth Mountain Division, which trained at nearby Camp Hale, came to appreciate Aspen and its skiing.Many of them came back to Aspen after the war, helping to expand and staff the ski resort.Coincidentally, Walter Paepcke, head of the Container Corporation of America, visited Aspen with his wife Elizabeth in the late 1940s, and found it an ideal place to establish a music festival they were planning.