This video shows a mission performed during the Exercise REP12 at Santa Cruz, Portugal. The UAV took-off from the Santa Cruz Aerodrome under the control of a local ground station. When the UAV was under communication range toa Navy ship, the control authority over the UAV was handed-over to a portable control station on-board of the ship. A target vessel was selected using Automatic Identification System (AIS) information provided by the website maritimetraffic.com. The UAV was then tasked to track and collect imagery of the selected cargo vessel.