I think the farmer bit is them casing the place. Why would they need to "case the place" if they got "insider info" on a hole in the defense? Just drive right up to it and attack.
It's not like they couldn't get an overhead image of the base and pinpoint the location that way.
35 posted on 09/16/2012 8:14:36 AM PDT by philman_36
(Pride breakfasted with plenty, dined with poverty, and supped with infamy. Benjamin Franklin)