3035 years
animal
bench
blurry
border
breed
canine
caucasian
command
customs
detect
detection
dog
drugs
duty
german shepherd
guard
handler
inspection
instruction
instructor
male
mammal
man
military
obedience
officer
outdoors
outside
patrol
pedigreed
pet
police
professional
purebred
safety
search
security
service
sniffer
teach
trained
trainer
training
unit