Understand that 'brigadier' refers to a specific rank, below general but above colonel. During the promotion ceremony, the colonel was elevated to the rank of brigadier.
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Army Context
The term is typically used within the army, less commonly in other branches of the military. The army brigadier visited the frontline troops to assess their readiness.
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Leadership Role
A brigadier often has a significant leadership role and responsibility for strategic decisions. As a brigadier, she was responsible for developing the brigade's combat strategy.