The highest ranking sheep is Lance Corporal Derby XXX (UK), who was promoted to Lance Corporal, at Dale Barracks, Chester, UK, on 1 September 2015.

Lance Corporal Derby XXX is a member of the Mercian Regiment, and was promoted from being a Private, by the Colonel of the regiment; Brigadier Andrew Williams. As a serving member of the British Armed Forces, Lance Corporal Derby XXX is entitled to take a wage, which covers his food and veterinarian bills, and take annual leave, which he takes at Christmas.

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