The land had been purchased by a company with limited liability coverage, whose members were representatives of high level SIFAR, the military secret service. The base, used as headquarters of the GAC, guastatori Training Center, and then considered the main basis of the structure addestrativa illegal operation Gladio.
On the occasion of the implementation of Plan Solo, a project with which you could assign the Arma dei Carabinieri state control, the base of Cape Marrangiu was supposed to accommodate 731 "enucleandi", (people in the world of politics and Syndicate dangerous and according to this program to be held at the base until emergence ceased). The list of enucleandi had been drafted on the basis of findings obtained by the so-called "dossiers SIFAR, analytical reports of a certain depth on public and private life of about 157,000 people, produced by SIFAR by order of General De Lorenzo, organizer of the Piano Solo . The base is still operating as the center of the training for army and secret service. There is also a little airstrip