The Department of Defense (DoD) Internet Protocol version 6 (IPv6) product certification program began as a mandate from the DoD's Assistant Secretary of Defense for Networks & Information Integration (ASD-NII) in 2005. The program mandates the Joint Interoperability Test Command (JITC) in Fort Huachuca, AZ, to test and certify IT products for IPv6 capability according to the Request For Comments (RFCs) outlined in the DoD's IPv6 Standards Profiles for IPv6 Capable Products. Once products are certified for special interoperability, they are added to the DoD's Unified Capabilities Approved Products List (UC APL) for IPv6. This list is used by procurement offices in the DoD and the U.S. Federal agencies for ongoing purchases and acquisitions of IT equipment.