HMS Thunder Child around the "Thunder Child". The player is placed in control of the ironclad itself and must sail it down a river while using its cannons to destroy Martian units and settlements; the level ends in a climactic confrontation with the Tempest, a powerful Martian war machine. The only version to feature "Thunder Child" directly is the low-budget, direct-to-DVD Pendragon adaptation, released in 2005. This version uses poorly executed CGI to portray "Thunder Child" as a "Havock"-class destroyer; it reverses the order of the ship's attack, using its guns first before successfully ramming in both cases. The vessel eventually sinks from
Sci-Fi (G.I. Joe) as immobile as a rock, with no discernible movement of any kind. At a range of 2 1/2 miles, the impact spot of laser light will jump one hundred feet for every one thousandth of an inch movement at the source. Sci-Fi transcends mere stillness to hold that spot on target, long enough to burn through that source. Sci-Fi took a leave of absence to complete his master's degree in electrical engineering, returning with the skill set necessary to enact unparalleled enhancements to the security systems in G.I. Joe headquarters. As part of the Star Brigade aeronautical group, Sci-Fi was