adorable
adult
airport
animal
border
breed
canine
colleagues
customs
cynologist
department
detection
dog
drugs
duty
female
force
german shepherd
guard
handler
inspection
law
male
mammal
man
military
officer
outdoors
outside
owner
partners
partnership
patrol
pedigreed
pet
police
protect
purebred
safety
security
service
sniffer
specialist
staff
team
trained
unit
woman
worker