In this photo taken Thursday, July 29, 2010, Gina, a highly trained bomb-sniffing dog with the U.S. military, joins Staff Sgt. Chris Kench on a sofa atthe kennel at Peterson Air Force Base in Colorado Springs. (AP Photo/Ed Andrieski)

Thanks to my brother Alex for pointing me to this link about a US military bomb-sniffing dog who returned from a tour of duty in Iraq with what a military veterinarian has diagnsed as a canine version of Post Traumatic Stress Disorder.