A detonator is used to trigger bombs, shaped charges and other forms of explosive device[?]. Detonators are often attached to a timer[?] to ensure that the explosion takes place at the desired time, or when the person laying the explosives has reached a safe distance from the blast. Detonators can be chemical, mechanical, or a combination. Many detonators' primary (sensitive to heat and shock) explosive is a material called tetryl.
... let Hardy go. He was accused of collaboration after the war but was acquitted.
Operation Overlord was approaching. In the fall of 1943 COSSAC begun to direct SOE ...