chemical attack

top-attack (top attack; top-down attack )

air chemical attack

chemical air attack

chemical energy attack

drone swarm attack / drone swarming attack

automatic chemical agent alarm

binary chemical weapon

bulk chemical products

chemical (cml)

chemical agent detector

chemical agent detector kit

chemical agent detector paper

chemical agent dissemination

chemical and biological

chemical and biological conditions

chemical bomb

chemical cargo

chemical composition of propelling charge

chemical compound

Chemical Corps (CmlC)

chemical countermeasures

chemical decontaminant

chemical defense

chemical detection equipment

chemical durability

chemical energy

chemical engineering

chemical environment

chemical grenade

chemical intelligence

chemical mace

chemical mixture