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  • 1Canard (aeronautics) — In aeronautics, canard (French for duck) is an airframe configuration of fixed wing aircraft in which the tailplane is ahead of the main wing, rather than behind them as in conventional aircraft.Crane, Dale: Dictionary of Aeronautical Terms,… …

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  • 2A-004 — was the sixth and final abort test of the Apollo spacecraft.ObjectivesMission A 004 was the final test of the Apollo launch escape vehicle and the first flight of a Block I production type spacecraft. The mission was unmanned and was conducted to …

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