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af·ter-ac·tion report
Definition of after-action report
: a detailed critical summary or analysis of a past event (such as a military action) made for the purposes of re-assessing decisions and considering possible alternatives for future reference
Prior to leaving Saigon for Honolulu, Harkins had requested and received from Vann a special after-action report on the July 20 engagement.— Neil Sheehan, A Bright Shining Lie, 1988 —called also after-action review
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Time Traveler for after-action report
The first known use of after-action report was in 1945
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