CTruk THOR vessel is "currently fitted with Saab's Trackfire RWS 50 cal and 7.62. It could be fitted with a 20mm cannon such as MSI's Seahawk lightweight." It is "in discussions with MBDA for the possible integration of Brimstone missile."
http://www.navyrecognition.com/index.php?option=com_content&task=view&id=1243