[Mailanka]

I've found it indispensable in the sorts of games I often run. In games with any kind of domain management, Administration is pretty much a must-have skill. In a game with Mass-Combat, it covers your skill with logistics. In a conspiracy game, it lets you understand and map out the organization you are infiltrating, as well as run conspiracies and organizations of your own. I'm too lazy to look it up, but I believe it even helps you in the "Pulling Rank" rolls from GURPS Action.

GURPS is chock full of useless skills, vital skills and the dangerous ones in between, who masquerade as the former and turn out to be the latter. Administration is definitely one of those. In any game where there are organizations, this skill turn out to be very handy.