Titanium is the ninth most abundant metal in Earth's crust. It is also the seventh most common metal on Earth. Titanium played a key role in the Cold War, with both the US and the USSR stockpiling the metal and using it for military and defense. read more
Strategic Metal- Another view will be if you looks at the applications of titaniam metal, they can be used in militay uses also as it is the strongest metal today for the given weight. So titanium is also called a strategic metal or classified metal in security sense. read more