A variety of entries, most related to dogs. The term originated in the military, where designations such as G2 are common. The term, originally referencing war dogs, has since carried over to police, and sentry and assistance dogs.
Best Rainy-Day Dog Walks Denver 2011 - Comfy K9 Indoor Dog Park
Fido doesn't care if it's vertically sleeting cats and, er, dogs. Fido wants to go for a walk. What to do? Comfy K9 opens its 22,000-square-foot doggy daycare and kennel facility to the public every weekend for community frolicking and fun. Admission is free, although a donation of $5 is suggested to benefit the National Mill Dog Rescue. Up-to-date vaccinations are required, and owners must supervise their pets. Visit from 10 a.m. to 3 p.m. Saturdays or 1 to 5 p.m. Sundays. Fido will love you for it.