Vietnam Veterans of America Foundation (VVAF)- Bobby Muller's Story Muller found survivors needing medical care, rehabilitative assistance and hope for the future. Deeply affected by the exposure to this tragedy, he decided to work for landmine victims and all victims of war around the world. He established a prosthetic clinic on the outskirts of Phnom Penh, Cambodia's capital, which is now the National Rehabilitation Center for the country, a modern and fully equipped workshop producing more than 140 prostheses and orthoses and 30 wheelchairs each month.