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
This Is What You Came For This Is What You Came For "This Is What You Came For" is a song by Scottish DJ and record producer Calvin Harris, featuring Barbadian singer Rihanna. It was released on 29 April 2016, through Columbia Records and Westbury Road. The song was written by Taylor Swift, who was initially credited with the pseudonym Nils Sjöberg. Rihanna and Harris had previously collaborated on her sixth studio album, "Talk That Talk", which included the international chart-topper "We Found Love" and US top five single "Where Have You Been", the former of which was written and produced by Harris. He played the