Coba jelasin Rujukan dari Meriam Mark 45 kaliber 5"/54 dalam bahasa melayu dong

US Navy Fact File – 5"/54 caliber Mark 45 gun

BAE Systems: Mk 45 Mod 4 Naval Gun System

BAE Systems: Mk 45 Naval Gun Overhaul and Upgrade

NavWeaps.Com: 5"/54 (12.7 cm) Mark 45 Mods 0 – 2

NavWeaps.Com: 5"/54 (12.7 cm) Mark 45 Mods 4

FAS: Gunner officer information sheet

Meriam laut dari Amerika Syarikat