The Tasmanian's unofficial motto is et anima una: of one mind.
Somehow, the elite special forces group performs like they have one mind. Jolie understands on a subconscious level, but not on an intellectual level. This is an important level for Jolie, as she has a platoon and no stated objectives while on assignments and, therefore, easy to lose her connection with the main force. A problem that could make her unfit for the Tasmanians....