Three categories related to your question: military, public safety, and UnExploded Ordnace. For public safety, the bomb squads handle IEDs that are found on Department of Defense properly and routinely destroy old an unserviceable ammunition, commercial explosives, and fireworks.
Squad members are “Certified Bomb Technicians” and “HAZMAT” technician level trained. Based on the team they work, they will be specialized at bomb squad and hazmat equipment including bomb suits, x-ray equipment, a robot, and explosive containment transport vessel, etc.
In short, it is better to join army to gain the knowledge and experience first. Then it would be easier to become a bomb squad members in the police force.
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