Port Security and Black Water Diving: My Piece On The Philadelphia Police Marine Unit

Counterterrorism Magazine published my piece on the Philadelphia Police Marine Unit.

The unit is made up of Philadelphia police officers who patrol Philadelphia's rivers and respond to crime, safety and homeland security incidents. The unit's members are expert boat handlers and skilled scuba divers.


They often dive in pitch black water with no visibility, which is called black water diving.

I interviewed LT Andrew Napoli, the commander of the unit, and Sgt. Edward Olewn. I also went out on patrol on the Delaware River with the officers on their Munson boat.

You can read my piece on the Philadelphia Police Marine Unit below:

Note: You can click on the above to enlarge.