Security requirements will continue to play a major role in how cargo facilities are built and operated. Cargo security requirements incorporate a level of increased cargo screening. This can occur at the point of origin with the shipper or forwarder, within individual cargo facilities, or at a Certified Central Cargo Screening Facility. Employees with access to the Air Operations Area (AOA) are subject to a greater level of security background checks and screening. Access to the AOA is more limited today, and the number of access points to the AOA has been reduced.