Canines are trained for special operations such as bomb and mine sniffing, narcotic operations, and search and rescue operations at a training school in Turkey's Nevsehir Province. /VCG Photo

Training schools have worked double time in recent years to meet the skyrocketing demand for dogs that can sniff out danger. The school simulates everything these canines will encounter in their future jobs. /VCG Photo

Dogs don’t need to be taught how to smell, but they need to be taught where to smell – along the seams of a suitcase or underneath a pallet where the vapors that are heavier than air settle. /VCG Photo

After being matched with an officer, the dog will remain by the officer's side for the next 10 to 13 years – both day and night. When the time comes for the dog to retire, most of the officers will keep them as a family pet. /VCG Photo