The invention provides storage means for storing transmission data relating to an entity, e.g. a tank; a controller configured to calculate a propagation profile for the entity based on at least the transmission data; and a display for displaying the propagation profile. In an embodiment, the invention reduces the probability of detection by an adversary of a military asset, e.g. a vehicle, tank or aircraft, as a result of electromagnetic emissions, by i) creating a vehicle profile using stored data, ii) creating an adversary profile using stored data, and iii) determining, based on the extent of overlap or predicted overlap between the profiles actions that could be performed to minimise the likelihood of the detection of the vehicle. The determined action may minimise the vehicle’s EM or audible signature, or move the vehicle to positions where an adversary is less likely to detect noise or emissions.
展开▼
