The core activity of Airport Aviation Security (AAS) is to provide security services for air transport, particularly in conducting security checks and inspections at airports. This includes: inspection and screening of passengers, baggage and cargo; ensuring the security of aircraft and airport facilities; providing security personnel and services; deploying specially trained dogs (cynotechnical teams) for security surveillance; applying odorology techniques to detect hazardous substances; securing airport zones and facilities; and conducting security checks and inspections at airport entrances and exits.