Sgt. Evan Wray, military policeman with Company Alpha, 4th Law Enforcement Battalion, demonstrate how to use a riot shield to Ghana Armed Forces 2nd Engineer Battalion soldiers during non-lethal training to the at the 48th Engineer Regiment Wajir Barracks in Accra, Ghana June 20 during Western Accord 2013. - Sgt. Evan Wray, military policeman with Company Alpha, 4th Law Enforcement Battalion, demonstrate how to use a riot shield to Ghana Armed Forces 2nd Engineer Battalion soldiers during non-lethal training to the at the 48th Engineer Regiment Wajir Barracks in Accra, Ghana June 20 during Western Accord 2013.