 Since January 1, 2024, over 630 employees, tenants, and members of the Rapid City Airport have received human trafficking awareness training as part of the credential process. Travelers will also see BLI messages in new locations throughout their journey, including pre-security areas and restrooms. The Blue Lining Initiative is an element of the U.S. Department of Homeland Security's Blue Campaign, which is led jointly by the U.S. Department of Transportation and the U.S. Customs and Border Protection.