Eye color for a plausible argument stating that some eyes can or do change, based on chemical reactions and hormonal changes within the body. Studies on Caucasian twins, both fraternal and identical, have shown that eye color over time can be subject to change, and major demelanization of the iris may also be genetically determined. Most eye-color changes have been observed or reported in the Caucasian population with hazel and amber eyes. Carleton Coon created a chart by the original Martin scale. The numbering is reversed on the scale below in the (later) Martin–Schultz scale, which is (still) used in physical anthropology.
Colour guard carry the M1, M-16, FN FAL or Pindad SSD-1 rifle while the colour officer carries his/her sabre. Composition of the Indonesian colour guard unit The Dutch armed forces have similar ranks corresponding to a colour guard, the "vaandrig" and "kornet" (aspirant officers who have not been sworn in yet). Russian colour guards are composed of: Active units, military academies, and guards of honor carry sabers in the color guard, if needed, rifles may be substituted. The same design is used for color guards in countries of the CIS. If there are multiple color guards marching in a parade at the