Using TWIC with biometrics will be challenge

Head of security for Virginia ports says biometrics may be troublesome to fit into port operations

Merkle also likes prospect of adding license plate recognition technology at terminal gates. The technology could be used to know if a vehicle is entering the terminals' that doesn't normally come on and to ensure that a license plate is valid, he says.

For the response and recovery part of security, Merkle says having interoperable communications systems is critical so that the various responding organizations can work together.