Demolitions skill

Principly the rules are concerned with TD19 and variable timers<br /><br />However, nukes are officially part of the game system (KH's weapon is explicitly stated to be a nuke)<br /><br />Are demolitions experts able to defuse a Nuke?<br /><br />Should there be a difficulty penalty? Or a level qualification? Like higher levels of technician can pilot progressively more difficult aircraft?<br /><br /><br />