DCA now hasTSA Pre-Security check is available for select frequent flyers and for military active-duy service members (contact TSA 571-227-2829). It is presently available at Terminal B, South checkpoint-for Delta Airlines.
Australian cattle dogs, also known as blue heelers, are herding dogs. The nickname blue heeler comes from the unique coat color of the breed and his habit for nipping at the heels of the livestock with which he works. The blue heeler is friendly and sociable, making him a great pet.
Heel is the command for your dog to walk at your side not in front or behind choose a side that is best suited for you for gun dogs its usually the opposite side of your dominant hand. Stick with whatever side you choose so the dog will not get confused.