Ключевые слова: adult, alertness, alsatian, animal, army, attack, battle, black, bomb, camouflage, canine, cattle dog, curiosity, dog, friendship, fur, german shepherd dog, guarding, hound, human, infantry, listening, loyalty, male, mammal, men, military, moving, munition, partnership, paw, perforation, pets, philatelist, philately, protection, purebred, security, shepherd, show, show dog, soldier, symposium, training, trooper, uniform, war, wardog, weapons,