M.V. Portyanko1, D.N. Prachev2, I.V. Zavodtsev3, M.A. Borisov4
1–3 Higher Military School named after Army General S.M. Shtemenko (Krasnodar, Russia)
4 Military Training Center at Moscow State University named after M.V. Lomonosov (Moscow, Russia)

1 portynko.max@mail.ru, 2 prachef.deniz@mail.ru, 3 nilrs@rambler.ru, 4 bma_mv@rambler.ru