"Our efforts have focused on the needs of service members," she told reporters at the Pentagon.
More than 1.5 million U.S. troops have been sent to Iraq and Afghanistan. About 300,000 of those service members suffer symptoms of post-traumatic stress disorder or depression, but only half receive care, according to a study by RAND Corp.
Military studies have found similar results. The U.S. Army in February said 17.9 percent of troops in Iraq and Afghanistan experienced acute stress, depression or anxiety in 2007.
