Implies a rough approach to solving problems, sometimes hinting at excessive force.

Connotation

Usually suggests disapproval of the methods used by such a group.

Negative Tone

Can be used metaphorically to describe any assertive approach, not just physical force.

Refers to bringing in individuals with specialized skills for tough problems.

Suggests the problem at hand is beyond the capability of the regular team.

Generally means a proactive approach and is seen in a positive light.