After Action Review (AAR)
A structured debrief developed by the US Army in which a team compares what was planned with what happened, works out why, and decides what to do differently. It is held soon after an event and treats the result as a learning question rather than a verdict on anyone.
When your sessions feel disjointed or participants lose focus
Your meetings or sessions need better pacing, clearer transitions, or more engaging sequences to keep participants engaged.
Debriefs right after a project, launch, event, incident or exercise; any review that must produce lessons without blame.
What Was Supposed to Happen
Restate the original goal, plan and standard so everyone agrees on what success would have looked like.
What Actually Happened
Reconstruct events in order from facts and different viewpoints, without judging yet.
Why It Was Different
Explore the gaps between plan and reality and look for causes in conditions and decisions, not in people.
What to Sustain and Improve
Agree what to keep doing and what to change next time, as specific actions with owners.
Creates natural rhythm and momentum that keeps energy high throughout.
Use the four questions as the blocks of a debrief or evaluation meeting right after a project, event or incident. For a longer review, give the 'why' block the most time.
- 1Vary the pace between high and low energy activities
- 2Use clear transitions between sections
- 3Build complexity gradually throughout
- 4End with actionable takeaways
- Project and event debriefs
- Incident reviews
- Team learning after a milestone
- Operations and emergency teams
- Held soon after the event
- Facts before interpretation
- Focus on causes, not culprits
- Everyone participates regardless of rank
- Ends in concrete lessons and actions
- Breaks down quickly if it turns into finding someone to blame
- A senior person dominating will distort the account of what happened
- Lessons need a follow-up owner or they are lost
- Wording of the fourth question varies across guides