Memo from Navy NCIS to Personnel Touring Through Guantanamo re: Guantanamo Procedures and Duties Upon Arrival, i.e. Upon arrival at GTMO, your on-ground NCAVC counterpart will introduce you to appropriate FBI, CITF, DHS, CTC, and other United States military personnel. You will also be indoctrinated into the "current" GTMO detainee interview process.