While a USAF Northrop Grumman RQ-4B (reg. 11-2046, callsign FORTE11) returns to Sigonella after a mission of about 21 hours, another drone, a NATO Northrop Grumman RQ-4D (reg. MM-AV-SA0015) leaves Sicily.
Surveillance missions on NATO’s eastern flank continue assiduously with the continuous presence of assets in the area of operations