Between 1940 and 1996, the U.S. spent at least $8.75 trillion in present-day terms on nuclear weapons development, including platforms development (aircraft, rockets and facilities), command and control, maintenance, waste management and administrative costs.he United States is one of the five nuclear weapons states permitted to maintain a nuclear arsenal under the Nuclear Non-Proliferation Treaty, of which it was an original drafter and signatory on 1 July 1968 (ratified 5 March 1970).
Although there are several forms of colour blindness, as Aaron Priven noted, the inability to distinguish red from green (red/green colour blindness, natch) is the most common condition. Probably around 5% of men in North America are red/green colour blind (compared to less than 1% of women).
This enables you to distinguish countless shades of color. But if the cones don't have one or more light-sensitive pigments, you will be unable to see one or more of the three primary colors. The most common form of color deficiency is red-green. This does not mean that people with this deficiency cannot see these colors at all. They simply have a harder time differentiating between them, which can depend on the darkness or lightness of the colors. Another form of color deficiency is blue-yellow.