Further iterative improvements of the armor layout produced "BB 67-2", which had a slightly reduced displacement of 59,700 long tons (60,700 t). This version incorporated an internal lower belt that provided additional protection against underwater shell hits.

Montana Class (BB-67 through BB-71) 1941 Building Program. Construction cancelled 1943. The five battleships of the Montana class, authorized under the 1940 "Two Ocean Navy" building program...

2018年9月7日 · Page details technical specifications, development, operational history of the USS Montana (BB-67) Battleship including pictures.

2019年11月25日 · The Montana-class of battleship (BB-67 to BB-71) was designed beginning in 1939 to be the US Navy's largest and most powerful ships of this type.

2024年1月18日 · The name Montana was assigned to BB-67 on 28 December 1940, but construction of the lead ship of the Montana (BB 67) class, slated to be constructed at the Philadelphia (Pa.) Navy Yard, was...

2024年10月21日 · Initially, the US Navy planned to build five -class battleships: (BB-67), Ohio (BB-68), Maine (BB-69), New Hampshire (BB-70), and Louisiana (BB-71). The construction was set to take place at...

2017年3月17日 · BB-67-2 was an answer to the further refinement of the Mark 7 16″ guns, as it’s newer mods had the muzzle velocity increased to 2500 feet/sec, meaning that the belt had to be thickened from 15.75″ to 16.1″ to maintain the IZ.