Aide-de-Camp(redirected from Flag Lieutenant)
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originally, an adjutant attending an emperor or field marshal. From the beginning of the 19th century until 1917, “aide-de-camp” was an honorary title held by officers in the retinue of the Russian emperors. The aide-de-camp wore a special full-dress coat and aiguillettes. The title “aide-de-camp” was also used in Germany, Great Britain, and elsewhere.