Actual explosions of these torpedoes were in the range of at most several 100 meters, much smaller than the starship USS Vengeance on which they detonated. (Star Trek Into Darkness) The long-range of the torpedoes made it possible, for example, for a starship to launch them from the edge of the Klingon Neutral Zone and impact on specific cities and locations on Qo'noS, the Klingon homeworld. A classified feature of the torpedoes was that they were designed to be untraceable and undetectable to Klingon sensors. While transporters could lock on to the torpedoes and transport them, the inner casing shielded the interior fuel compartment and warhead payloads from scanners. The warhead was active at all times and could not be accessed directly. To access it, the fuel compartment needed to be op