It is the same thing, Except for the name I disagree. I'd like to think that National Security is an issue, or a topic. Whereas Homeland Security is an organization that handles that issue or topic.
You need to have no criminal history. You must have served at another job that involved using or dealing with some form of security. And must have lived in the area for a little while.
The Second President Bush; in response to the 9/11/01 attacks on the World Trade Center and pentagon; as well as the plane which was forced into Earth by Passengers to avert it from hitting any...