головна смуга укріплень (оборони)
main defense area (line) / main defensive position
assault of fortified positions
fortified area
fortified ground installation
fortified line
fortified emplacement
fortified locality
main tank/ main fuel tank
main gear box / main rotor transmission
main rotor transmission / main gear box
main-rotor head / main-rotor hub
main-rotor hub / main-rotor head
main firing position
main position
launching position (missile position)
changeover from travelling position to fire position
position and navigation unit / position navigation unit (PNU)
in position / in-position
direction of the main blow
form the main effort
main (fighting) force(s)
Main Air Traffic Flow Management Centre (MATFMC)
Main Armaments Directorate of the RF Armed Forces
main attack
main ballast tank
main base
main battery
main battle area (MBA)
main battle force
main battle tank (MBT)
main blow
main body