Sigonella, the drone that spies on Kharg and the F-15s that disappear from radar: Sicily in the midst of the Iran crisis

The scene is not in the Middle East. It is in Sicily. On the runway of the Naval Air Station in Sigonella, in the heart of a moonless late winter night, a giant unmanned aircraft stretches its wings: it is an MQ-4C Triton of the US Navy. It takes off, turns southeast, crosses the Mediterranean, surpasses the Suez Canal, grazes Egypt and Saudi Arabia, then looks out over the Persian Gulf. Hours later, open-source trackers register it in reconnaissance orbit off Bushehr — with close passes near Kharg Island, the hub that channels between 80 and 90% of Iranian oil exports, the true nerve center of Tehran's economy.

It is an unarmed aircraft. But its belly houses sensors and radar that see far. And while the Triton patrols the Gulf, just a few hours away the 5 Star Movement denounces the transit of F-15E Strike Eagles in tactical configuration - bombs and missiles hanging from the pylons - with radio codes that vanish a few minutes after takeoff.

It is the picture of an Italian infrastructure projected, unwittingly, to the center of a crisis that transcends national borders.

What do we know for sure about the Triton flight

In the last two weeks, several sources and aviation monitoring sites have documented multiple missions of the MQ-4C Triton based in Sigonella towards the Middle Eastern quadrant. One sortie in particular pushed the drone to operate off the Iranian coast, with surveillance patterns close to Bushehr and Kharg Island. The reconstruction has been carried out by analysts who daily track military aircraft paths and by specialized publications such as ItaMilRadar.

The Triton is not an offensive asset: it is a high-endurance aircraft capable of flying for over 24 hours at altitudes above 15,000 meters, with an operational range that, starting from Sicily, covers the entire Mediterranean, the Black Sea, and a good part of the Middle East. It is equipped with the AN/ZPY-3 MFAS X-band radar with 360-degree coverage, electro-optical and infrared sensors, and a complete suite for intelligence, surveillance, and reconnaissance.

Its presence in Sigonella is not improvised: the US Navy has confirmed the establishment of the third operational orbit of the program, with the deployment of the VUP-19 "Big Red" squadron in Italy starting from March-April 2024, the opening of a dedicated hangar, and regular missions in the theater of the 6th Fleet.

Kharg: why that island is a key checkmate

To understand the significance of the flight, one must read Kharg on the energy map. About 25-33 kilometers from the Iranian coast, the island is the valve through which almost all of Tehran's crude oil flows: terminals capable of simultaneously loading supertankers, storage capacity in the order of tens of millions of barrels, between 80 and 90% of national exports. Any damage to the infrastructure would cause shocks to global prices and unpredictable chain reactions on pipelines and terminals in Gulf countries.

In recent weeks, as the United States struck Iranian military targets, Kharg has entered the perimeter of sensitive areas: there have been discussions of attacks limited to the island's defense installations, with American political statements emphasizing its strategic importance. It is in this context that a Triton in reconnaissance orbit over that quadrant takes on a precise meaning: to provide an updated and continuous picture of maritime and coastal activities, ship and tanker movements, and Iranian military posture.

The F-15s and the accusation from the M5S

The 5 Star Movement has presented parliamentary inquiries asking the government for clarifications on Sigonella and the MUOS in Niscemi. Among the most sensitive points is the passage of F-15E Strike Eagles from the Sicilian base in tactical configuration — equipped with real armament, not just as simple transfer flights. The pentastellati refer to identified radio calls and tracks that disappear a few miles after takeoff, hypothesizing the switch-off of the transponder, a practice not uncommon for operational missions.

Defense Minister Guido Crosetto has publicly stated that no formal request has been received from the United States for the use of Italian bases for kinetic operations, and that if such a request were to arrive, the government would return to Parliament to report. Regarding the alleged sorties of the F-15E, there are currently no official confirmations from either Rome or the Pentagon. Reports exist, but they remain in the gray area typical of the hot phases of an international crisis.

Sigonella: a "land aircraft carrier" in the Mediterranean

Naval Air Station Sigonella — a US Navy installation on the grounds of the Italian Air Force — has historically been a cornerstone of NATO's presence in the Mediterranean: from anti-submarine warfare to ISR missions, to logistical support for long-range transfers. The hybrid nature of the base, Italian in jurisdiction and shared use with the Americans, explains why, in every crisis, eyes turn to this runway.

In recent months, specialized reports have recorded takeoffs and landings of P-8A Poseidon aircraft with untracked mission segments, intense activity of MQ-4C Triton and RQ-4B Global Hawk drones, missions with ADS-B turned off during the most delicate phases. None of these elements equate, in and of themselves, to "bombing departures from Sicily." However, they attest that the base is fully operational as a surveillance platform and long-range hub — a role consistent with its history and the allied posture in the area.

MUOS and Niscemi: the invisible thread

Behind the runway of Sigonella lies another key infrastructure: MUOS, the US Navy's UHF satellite network for secure communications, with one of the four ground stations located in Niscemi, in the Nisseno area. The system ensures high-reliability voice and data links to drones, naval units, submarines, and ground forces, ensuring continuity of command and control even in contested scenarios. It is not surprising that, in parallel with the alarm over Sigonella, the debate around MUOS has reignited: when the nerve of communications moves, the scenario changes scale.

The concrete risks for Sicily

Experts consulted by regional media distinguish between a direct military risk — currently considered remote — and an asymmetric and terrorist threat that grows when strategic infrastructures become critical nodes in a conflict with variable geometry. One fact, however, weighs heavily: the missiles launched by Iran at the Diego Garcia base in the Indian Ocean — over 4,000 kilometers from Tehran — demonstrate that distances, in this crisis, matter less than one might wish to believe.

Sicily is already involved in the game on an informational and logistical level. If and when the involvement becomes more operational, it will be measured by formal acts and visible political decisions. In the meantime, the high-altitude buzz of the Triton indicates that the crisis is in full swing. And it inevitably passes through Sigonella.