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The SPAD S.XII or SPAD 12 was a French single-seat biplane fighter aircraft of the First World War developed from the successful SPAD VII by Louis Béchereau, chief designer of the Société Pour L'Aviation et ses Dérivés (SPAD).
The Bereznyak-Isayev BI-1 was a Soviet short-range rocket powered interceptor developed during the Second World War.
