MEDITERRANEAN SEA (March 13, 2022) Members of the Portuguese Navy helicopter squadron unmanned aerial vehicle (UAV) detachment operate a UAV from the bridge of Portuguese navy NRP Viana do Castelo Portuguese as part of NATO's Operation Sea Guardian (OSG) focused operations in the Mediterranean Sea, March 13, 2022. OSG is a year round, standing Maritime Security Operation in the international waters of the Mediterranean Sea with three main tasks: Maritime Situational Awareness, counter terrorism, and regional capacity building. NATO photo.