SM = Service Members
The local areas of concern is where we will have the greatest impact. It is the first area that we come in contact with, it is also where the will and perception of the people can be effected to its greatest use.
Incumbents unopposed yes that happens and hell run at least in the worse case scenario you will make them spend more money and at least debate you once. Debate creates Doubt and it gets people to thinking.
In addition to all of the above including Airforce's post you will make people aware of many things that the incumbent is hiding.
I saw on the OPSEC forum that SANDKEY had been exposed and that's good. What has not been exposed yet is the Stateside program. And I will leave that one for others to find.
If you are lucky enough to have a Judicial system whereas the judges are elected then you can have more of a ruckus making event.