After Action Review (AAR)

A review of training that allows soldiers, leaders, and units to discover for themselves what happened during the training and why.

Formal AAR

Require more detailed planning, preparation, and resources. They are normally scheduled and conducted as a part of external and internal evaluations.

Informal AAR

Require less planning and preparation than formal AARs and are often on-the-spot reviews of soldier and collective training performance at crew, squad, or platoon level.