I had to hunt down one of our instructors, a retired Chief Petty Officer, to translate that into English.
He told me, an Army Infantryman, that it meant : “shut and dog the watertight doors and get ready for a fight”.
In Army that would be along the lines of ” Lock and Load and Watch your Lanes”.
retiredmustang 
Yep! Dammit…
I had to hunt down one of our instructors, a retired Chief Petty Officer, to translate that into English.
He told me, an Army Infantryman, that it meant : “shut and dog the watertight doors and get ready for a fight”.
In Army that would be along the lines of ” Lock and Load and Watch your Lanes”.