Chemical Corps affiliation with the corps. The Chemical Corps branch insignia consists of a cobalt blue, enamel benzene ring superimposed over two crossed gold retorts. The branch insignia, which was adopted in 1918 by the fledgling Chemical Service, measures .5 inches in height by 1.81 inches in width. Crossed shells with a dragon head was also commonly used in France for the Chemical service. The Chemical Warfare Service approved the insignia in 1921 and in 1924 the ring adopted the cobalt blue enamel. When the Chemical Warfare Service changed designations to the Chemical Corps in 1946 the symbol was retained. The regimental
Au pair Pairs’ community is the visa requirement for foreigners. Entering Turkey without a valid visa is impossible for Au Pairs – and to apply for a visa any potential Au Pair needs both an Au Pair contract and an invitation letter, what significantly reduces the number of people willing to make an effort and go through such a complicated application process. The tradition of au pairing is well established in Austria, and prospective au pairs are served by several agencies that are accustomed to dealing with direct applications from foreigners. Agencies often charge their au pairs a fee equivalent to a