Middle America's Worldview

Homeland Security  officials plan to conduce tests this week in Baltimore. Residents will see a massive chopper overhead, flying very low. The chopper – a tool from the National Nuclear Security  Administration, will use sensors, testing for naturally occurring radiation.

The testing will provide a baseline, in case a dirty bomb or increased radation levels are suspected in the future.

“If sometime in the future you have a reason to be looking for something radiological, it’s very necessary to have the original background,” said Joseph Krol, National Nuclear Security Administration [