Some veterans report that hyperbaric oxygen therapy helps treat PTSD.
The health complex development could create as many as 3,000 jobs.
PTSD has affected 300,000 veterans from Iraq and Afghanistan and has led to a spike in suicides.
After traumatic brain injuries, some veterans are turning to a controversial treatment for help called Hyperbaric Oxygen Therapy.
Sen. Jim Banks authored the bill and says there is not enough information about why only half of veterans with post traumatic stress disorder seek help.