This DOD glossary of milspec jargon is a writer's dream. Nightmare?
electromagnetic deceptionLink Discuss (Thanks, Greg!)
(DOD) The deliberate radiation, re-radiation, alteration, suppression, absorption, denial, enhancement, or reflection of electromagnetic energy in a manner intended to convey misleading information to an enemy or to enemy electromagnetic-dependent weapons, thereby degrading or neutralizing the enemy's combat capability. Among the types of electromagnetic deception are: a. manipulative electromagnetic deception--Actions to eliminate revealing, or convey misleading, electromagnetic telltale indicators that may be used by hostile forces; b. simulative electromagnetic deception--Actions to simulate friendly, notional, or actual capabilities to mislead hostile forces; and c. imitative electromagnetic deception--The introduction of electromagnetic energy into enemy systems that imitates enemy emissions. See also electronic warfare.