After action report

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An after action report (or AAR) is any form of retrospective analysis on a given sequence of goal-oriented actions previously undertaken, generally by the author themselves.

The two principal forms of AARs are the literary AAR, intended for recreational use, and the analytical AAR, exercised as part of a process of performance evaluation and improvement. In most cases, AARs are a combination of both. Most analytical AARs are conducted over a contemporary problem or situation that has occurred in the past, is happening right now, or what could happen in the future.