Drill - Communications ExerciseDrill Description There is nothing like a good drill. With the seven levels of HSEEP and the clamor for attention generally associated with functional and full scale exercises, somehow the art of a simple drill has been lost. In this product set a jurisdiction can now exercise a single and specific topic in a one day format. Our Communications Drill engages the facets of Interoperability and Redundancy, the key elements of communication. What You Get