Port security.

• Position: NEXT MONTH: PREVIEW OF OUR NEXT ISSUE

* While the military and law enforcement have long been eyeing ways to improve port security, the Mumbai attacks brought urgency to the issue. A recent Department of Homeland Security document said that technology would be the key to thwarting port terror. What are the technologies available for detecting threats such as small boats or underwater bombs? And what is Homeland Security investing in?

On the issue of protecting ports from potential threats coming aboard shipping containers, critics charge that current DHS...