20 years post-invasion, many Iraq veterans haven’t found peace, expert says

On March 20, 2003, a U.S.-led military coalition invaded Iraq, toppling the government of Saddam Hussein before a fierce insurgency rose up to oppose Western forces. As the fighting unfolded over eight years, more than a million U.S. service members deployed to the region, and many returned with complex physical and mental wounds no single treatment can erase.