closed explosive bomb

letter bomb (parcel bomb, mail bomb, postal bomb etc)

thermobaric bomb (aerosol / vacuum bomb, fuel air explosive [FAE])

aerial photoflash bomb / photoflash bomb / flash bomb

closed area

closed-breech scavenger system

closed cab

closed-loop control

closed-vent circuit

half-closed SP gun

closed circuit television system

closed end electric squib

closed game

closed hatch viewing

closed security zone

closed sheaf

closed traverse

closed-breech gun

closed-breech launcher

Closed port

Serial port successfully closed

USB device successfully closed

opened / closed

RDX (Research Department eXplosive/Royal Demolition eXplosive), hexogen

explosive (explosive agent)

booster and lead explosive / booster explosive

high-explosive explosive

high explosive bomb

magnesium bomb / explosive

explosive detection dog (EDD) / bomb dog

high-explosive fragmentation bomb

high-explosive bomb

atomic bomb (A-bomb)