Today we begin a series on ATB and ITB tug and barge rigs: articulated and integrated tug and barge units. We see a lot of them on the Columbia, and they kind of look like a ship, but they’re not. Chief Engineer Bill Young will be talking with us about them this week. A look inside the maritime industry with an expert.

Photo credit: Joanne Rideout. ATB Ocean Reliance, a Crowley Maritime-owned vessel.