 Its tallest antenna is a guyed mast, high, situated at 37°7'32"N 14°26'11"E.

The United States Navy installation is the focus of ongoing protest by locally based activist groups, who oppose it and demand its removal on grounds of health (danger from electromagnetic radiation), environmental damage and opposition to the use of armed drones in the Middle East, allegedly guided from this base.Allegations of armed drones being operated from this base has never been verified however, as the newly installed MUOS (Mobile User Objective System) was intended as an upgrade to legacy communication equipment, and is not intended to communicate with unmanned flying drones.Niscemi inhabitants say the Berlusconi government did not consult them before granting the US the use of the location.