Formal meetings where someone who has just completed a mission or assignment is questioned and gives a detailed report about what happened.
From 'debrief', military term from WWII combining 'de-' + 'brief'. The practice comes from military intelligence, where soldiers returning from missions were immediately questioned about enemy positions.
Debriefings became crucial military intelligence gatherings in WWII, with interrogators realizing that the first hours after a pilot returned from a bombing run were golden for extracting accurate details before memory faded. Modern psychology now studies this window.
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