Captain Joe Ahlstrom, a Professor of Marine Transportation at SUNY Maritime College, discusses vessel security at IDGA's Maritime Homeland Security Summit in Miami, FL. He discusses that there is a growing fleet in inland waters that is largely comprised of tug and barges. He notes and details the security issues with the growth of this type of maritime activity. One of the key vulnerabilities is that tug and barges usually have a very small manning component. Also, that these vessels can...