It's a Blast - EOD Challenge Coin

As an Explosive Ordnance Disposal Specialist, you are one of the military’s preeminent tactical and technical explosives experts, possessing the advanced training and critical skills needed to disable and defeat explosive devices and weapons of mass destruction.
Research and identification of  military weapons,  the specialist assists leadership in the preparation and use of advanced robotics, dispose of hazardous objects, and perform missions in support of military units worldwide, across all environmental conditions.
Explosive Ordnance Disposal (EOD) Specialist locate, identify, render safe, and explosively dispose of foreign and domestic ordnance including conventional, chemical, biological, nuclear, underwater, and terrorist-type devices, enabling access during military operations in support of Special Forces; provide training and assistance for military, federal, state, and local civilian law enforcement agencies in Anti-Terrorism/Force Protection procedures; support and conduct ordnance-related intelligence collection and counter-terrorism operations; operate, maintain, and repair specialized EOD and combat equipment; and maintain required forms, records, correspondence, and files. Duties include performing and supervising open and closed-circuit diving, explosive demolitions, parachuting, small arms proficiency, and tactical delivery and extraction by unconventional insertion methods. If they run, so should you.
Minted in a brass alloy and finished in bronze, this coin is imbued with richly colored enamel on both sides.
Each coin measures 1.75 inches (44mm) in diameter.