main artillery (major caliber artillery)

major caliber

large caliber rocket artillery

medium caliber rocket artillery

main defense area (line) / main defensive position

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

anti-materiel rifle (AMR); large caliber (sniper) rifle

caliber (cal) (брит. calibre)

large caliber machine gun

light caliber cannon

medium-caliber machine gun

small-caliber ammunition

sub-caliber ammunition

armor-piercing sub-caliber round

caliber gauge (for ordnance)

caliber radius head (of ammunition)

caliber-radius head

caliber-fin-stabilized projectile

even-caliber projectile

heavy-caliber armament

heavy-caliber cannon

high-caliber gun

initial caliber

caliber / calibre

caliber of leadership

unmanned medium caliber turret

Main Missile and Artillery Directorate (RF MOD)

battalion sergeant major

Command Sergeant Major