Reuters posted an excellent article on NVAM

The work on display ranged from photographs to paintings to sculptures, like Helbing's seven-foot-tall steel and felt piece, which he called a human flame as a tribute to a friend who died when his helicopter went down in Vietnam. "His name was Greg, I think," said Helbing, who spent 15 months in combat. "I know what he looked like. He had glasses, 6'3', blond-headed ... He was charred like a burned hot dog." Associate Professor Joseph Troiani, 62, founder of the military psychology program at Chicago's Adler School of Professional Psychology uses the museum, which attracts 4,500 visitors a year, as a training ground for working with vets. Over the years he has taken hundreds of people there. "It gives them the opportunity to see the expression of war and combat," said Troiani, also a retired Navy commander. For veterans, "it's so much a part of the healing process," he said. "It's very cathartic for vets" either to produce their own art or see the work of others.

You can see the full text here:http://www.reuters.com/article/2011/07/31/us-finearts-veterans-idUSTRE76U1P620110731