P.B. Abramov - Ph. D. (Eng), Assosiate Professor, Head of Depaetment, Air Force Academy named after Professor N.E. Zhukovsky and Yu.A. Gagarin (Voronezh) A.V. Lenshin - Ph. D. (Eng), Assosiate Professor, Head of Depaetment, Air Force Academy named after Professor N.E. Zhukovsky and Yu.A. Gagarin (Voronezh)