to interrogate (a person) who has recently experienced an event, to obtain information about that experience; -- used especially of military pilots or diplomatic agents who have just returned from a mission.
A verbal exercise following a mission for a flight of fighters where the first fighter pilot to the chalk board wins the engagement - regardless of the actual outcome. Note: the more chalk colors used, the better the chances of winning.
to ask questions to learn about the outcome or results of an activity; to discuss these outcomes or results