![]() (9.7 kg) Explosive Dįull Flashless Charge - 89 lbs. Both Marks had chromium-plated bores.ĪP Mark 21 Mods 1 to 5 (super heavy) - 335 lbs. The Mark 15 was similar but had a smaller chamberĪnd a different rifling twist. On jacket, screw box liner, yoke ring in halves and used a down-swinging Mark 12 had an autofretted A tube, shrunk Missions in history when she fired on Viet Cong targets some 35 miles away,ĭestroying six structures. Long Range Bombardment Ammunition (LRBA), made some of the longest gun-fire The older cruisers continued to use the previous 260 lbs. The Baltimore and OregonĬity classes also had different shell-handling equipment than did the olderĬruisers in order to use the new, "super-heavy" 335 lbs. The guns were individually sleeved and mounted further apart, allowingįor better shell dispersion characteristics. The Wichita (CA-45), Baltimore (CA-68) and Oregon City (CA-122)Ĭlasses had greatly different mountings from previous heavy cruisers. Sub-class were similar to those used on their sisters of the New Orleans (CA-32)Ĭlass, but these much lighter guns gave them a significantly lower revolving ![]() The triple mounting used on the Tuscaloosa (CA-37)
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