By Keisha Jackson Air Force Veteran and Family Caregiver Between 11-20 percent of U.S. veterans who served in Operation Iraqi Freedom or Operation Enduring Freedom (OIF/OEF), 12 percent of Gulf War veterans, and 15 percent of Vietnam veterans suffer from post-traumatic stress disorder (PTSD) every year (www.ptsd.va.gov/). Approximately 3.3 million dogs enter U.S. animal shelters […]