A Dirty Job in a Mighty Engine

A Dirty Job in a Mighty Engine
When Umiak's 30,000 horsepower engine is shut down for the night, the crew has to check that it's still in tip-top shape.

A Dirty Job in a Mighty Engine
When Umiak's 30,000 horsepower engine is shut down for the night, the crew has to check that it's still in tip-top shape.