Oleksandr S. Kovalik

03.1993–07.1993 Aviation mechanic of the engineering and aviation service in Kryvyi Rih, 07.1993–06.1994 Aviation mechanic of the aviation technical squad in Kryvyi Rih, 06.1994–01.1995 Cadet of the warrant officer school at the 755th training center (Air Force) in Chuhuiv, 01.1995–02.1996 Technician of the aviation technical squad in Kryvyi Rih, 02.1996–10.1998 Senior air gunner in Kryvyi Rih, 10.1998–01.1999 Senior aviation mechanic of armament in Kryvyi Rih, 01.1999–11.2000 Senior air gunner in Kryvyi Rih, 11.2000–08.2003 Senior air gunner in Melitopol, 08.2003–14.06.2014 Senior air gunner of the aviation squadron of the transport aviation brigade in Melitopol