It was charged with engaging in covert assaults and its soldiers were skilled in fighting behind enemy lines, making use of cloaking technology. Members of the Special Assault Squad were assigned to various Sontaran units, regiments and fleets, such as Commander Kaagh, who was assigned to the Tenth Sontaran Battle Fleet (TV: The Last Sontaran) and others like Commander Tarx and Commander Lohr. (PROSE: The Last Sontaran)