unexploded bomb

• ordnanceMilitary weapons collectively
• defuseRender harmless
• detonatorExplosive initiation device
• warheadMunition's explosive section
• landmineBuried pressure-activated explosive

IED · blast · fuse · crater · disposal · explosive · shell · grenade · mortar · munition · tripwire · ticking · buried · unstable · demolition · booby-trap · warzone · evacuation