Operation Gladio, Italy, NATO, Stay-behind, Strategy of tension, Gladio in Italy, Piazza Fontana bombing, Golpe Borghese, Argo 16, Piazza della Loggia bombing, Italicus Express bombing 1974, Aldo Moro, Bologna massacre, Carlo Alberto Dalla Chiesa, Giulio Andreotti, Belgian stay-behind network, Aginter Press, Counter-Guerrilla, Deep state, Ergenekon (organization), Jandarma stihbarat ve Terörle Mücadele, Montejurra Incidents, Projekt-26