Cooper bombsThe Cooper bomb was a British bomb used extensively in World War I. It was the first high explosive bomb to be adapted by the Royal Flying Corps.DesignThe bomb was in weight, of which was the bomb casing and was an explosive charge of Amatol. The main body was thick, and was made of cast iron, steel, or semisteel. The aft body was made of wood and the fins from sheet steel.List of aircraft that used the Cooper bomb Royal Aircraft Factory S.E.5 Bristol F.2 Fighter Airco DH.4 Sopwith Camel Royal Aircraft Factory F.E.2