http://gazis.best.vwh.net/Vikings.htm

Procedure to Follow in the Event That Building 245 is Attacked by Vikings

Since the decline of the Carolingian Empire in the 10th century, Building 245 of the NASA Ames Research Center has been subject to periodic raids by Viking marauders. These marauders generally attack in search of gold, religious icons, and other forms of plunder. The NASA Ames Barbarian Affairs Office has established the following procedures for defense against Viking raids:

(Much more at site.)