"Terror strikes from the sea could be even more catastrophic than those from the air, intelligence officials say. They fear a hijacked oil tanker could be rigged with explosives or a radioactive dirty bomb could be smuggled ashore in a shipping container." This from [1] AP.

"But almost 5,000 ships and about four out of every five of the nation's ports, ferry terminals and fuel-chemical tank farms failed to meet a Wednesday deadline for submitting security plans showing how they will deal with those potential threats. . . .

"'We do not have all the plans,' Lt. Cmdr. Jeff Carter said. 'We recognize that despite our best efforts, there are those who won't comply for a variety of reasons.'"