 An ISA SIGINT team was sent to Italy as part of Operation Winter Harvest and in conjunction with other Army SIGINT and counter-intelligence units, employed aerial and ground-based SIGINT systems to monitor and geo-locate terrorist communications.ISA and the other Army elements provided useful intelligence, helping Italian police to arrest several Red Brigades terrorists in mid-January 1982.The Italian police and intelligence agencies have never officially disclosed how they located General Dozier in late January 1982.