ShipIR Model Validation Using NATO SIMVEX Experiment Results Approved for public release; distribution is unlimited. Naval Research Laboratory Washington, DC 20375-5320 May 31, 2004 NRL/FR/5750--04-10,080 DOUG FRAEDRICH CRAIG MILLER Tactical Electronic Warfare Division Advanced Techniques Branch ESPEN STARK LARS TRYGVE HEEN Norwegian Defence Research Establishment Kjeller, Norway