Dr.  Marina Popovich, (born July 20, 1931) is a retired Soviet Air Force  colonel, engineer, and legendary Soviet test pilot who holds 107  aviation world records set on over 40 types of aircraft. She is one of  the most famous pilots in Russian history, and one of the most important  female pilots of all-time.
she says that the Soviet Air Force and KGB have fragments of five crashed UFOs in their possession.  The crash sites mentioned were Tunguska (1908), Novosibirsk,  Tallinn/Estonia, Ordzhonikidze/Caucasus, and Dalnegorsk (1986).
Popovich said debris was analyzed and the conclusion was that it wasn't  manufactured on Earth with terrestrial technology In 1991, she also  displayed what she claims is the last photo taken by the Russian probe  Phobos 2, before it lost contact with Earth and disappeared. This photo  shows an unexplained cylindrical figure, which could be a camera  artifact.
  
 
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