Methods to analyse wave propagations of electro optical waves are reviewed as a part of a defence research project within the C4ISR and the Electronic Warfare area Wave propagation analysis of radio, radar and electro optical waves. The purpose of the study is to update the knowledge and methods to analyse wavepropagation, especially for the Navy environment. Earlier the wave propagation for radio and radar has been studied [Karlsson et al. 2001]. Information about wave propagation together with knowledge about the emission (signatures) of the ship is useful when the risk of threat exposure should be settled. With proper methods and numerical capacity the likelihood for a threat to have success can be estimated. Information about coordinates of the area within which the own unit may be discovered by enemy sensors or the threat etc. is valuable information in decision support systems. Recommendation to continue the study of models and methods of describing atmospheric transmission, aerosols, average refractive index, and turbulence parameters are made. Also the report recommends further studies of performance models of electrooptical systems.