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Warheads
This page should correctly be named "[Warheads]"; it is wrong due to technical restrictions.
This section of rules(md).ini is a list of all available warheads in the game. Rumor has it that weapons' warheads work even if not listed, however, this will prevent other game and map functions from working properly.
There is no logical reason for omitting the list entry, and as such you should not expect help on an unlisted warhead.
Note: Several sources, including The Guide mention a mysterious Warheads flag in the [Maximums] section. There is a flag called Warhead (sans the s) in RA's rules controlling that, but this revision's author was unable to find proof for a flag called "Warheads" in both TS's and YR's rules(md).ini.