The Thunderer is not a vehicle produced specifically for deployment as it is more likely that the regiment will have Demolishers. Any Thunderers will likely be there to fill any gaps in the Demolisher line. It is possible however that a few Thunderers have been produced as newly built vehicles.[1b] It is known that patterns of the Thunderers beginning to appear on various Forge Worlds, although whether this has been sanctioned by Mars is unconfirmed.[4b]