phrases, sayings, idioms and expressions at

Dissension of ranks

Posted by Miri Barak on April 24, 2004

Context (a film)

"The soldiers had problems with their last dog, but Rain lets them know there will be *no dissension in the ranks"*.

It is said about a dog (Rain) who participated in fighting and he is introduced to his new squad.
They had some problems with the last dog, and this one makes something clear, but what exactly?
and what does they mean in the ranks?

thank you very much!