![]() ![]() ^ This range table applies only to the Baltimore and Oregon City classes. (9.7 kg) Explosive Dįull Flashless Charge: 89 lbs. ![]() SP Common Mark 17 Mods 1 to 4 3a: 260 lbs. The Mark 12 Mod 2 and Mark 15 Mod 1 had adapter sleeves which allowed them toĪP Mark 21 Mods 1 to 5 (super heavy) 1a: 335 lbs. The Mark 15 was similar but had a differently shaped chamber and rifling identical to the Mark 14.īoth Marks had chromium-plated bores. Mark 12 had an autofretted A tube, shrunk on jacket, screw box liner, yoke ring in halves and used a down-swinging Missions in history when she fired on Viet Cong targets some 35 miles away, destroying six structures. Paul (CA-73), using Long Range Bombardment Ammunition (LRBA), made some of the longest gun-fire Order to use the new, "super-heavy" 335 lbs. Theīaltimore and Oregon City classes also had different shell-handling equipment than did the older cruisers in Individually sleeved and mounted further apart, allowing for better shell dispersion characteristics. The mountings on the Wichita (CA-45), Baltimore (CA-68) and OregonĬity (CA-122) classes were greatly different from those for the previous heavy cruisers. Them a significantly lower revolving weight. Were similar to those used on their sisters of the New Orleans (CA-32) class, but these much lighter guns gave ![]() ![]() The triple mounting used on the Tuscaloosa (CA-37) sub-class These guns were used in two distinct mountings. Lighter construction and a smaller overall diameter. Similar in construction to the previous 8"/55 (20.3 cm) Mark 14, but of much ![]()
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