ACP 113(AI) is a 2012 unclassified CCEB publication serving as the official call sign book for Allied and NATO naval vessels. It provides comprehensive listings for international call signs, hull numbers, and visual identifiers to facilitate secure communication. For the full, updated document, see UDXF .
ACP 113(AI) is a 2012 unclassified CCEB publication serving as the official call sign book for Allied and NATO naval vessels. It provides comprehensive listings for international call signs, hull numbers, and visual identifiers to facilitate secure communication. For the full, updated document, see UDXF .
