Troops from 12 allied countries are training for chemical attacks alongside the Canadian Armed Forces at CFB Suffield.

Small, consumer-scale drones "pose real and significant threats to military operations," a report published in May by Ottawa-based defence scientists warns.

Exercise Precise Response 2016 at Canadian Forces Base Suffield in southeastern Alberta isn't about high-tech military equipment or heavily armed soldiers. It is focusing on chemical, biological, radiological and explosive material.