New Rapid Fire Naval Guns: 3“50 Mount and 8“55 Turret as seen on USS Salem CA-139

US Navy film . New Rapid Fire Naval Guns: 3“50 Mount and 8“55 Turret as seen on USS Salem CA-139. USS SALEM was the first of a new class of heavy cruisers. The hull is larger; the belt and deck armor are more extensive; and the fire power is greater than in ships of the BALTIMORE and earlier classes. The displacement is 17,000 tons. Over-all length is 716.5 feet; the beam 76.5 feet. The main battery consists of three rapid-fire, automatic 8-inch 3-gun turrets that are of an entirely new design as seen in this film. To support BIG MAMIE and Battleship Cove, please follow us on Social Media and consider donating to our efforts: Donate: Volunteer: Facebook: Subscribe to our Youtube Page: Instagram: TikTok: @