This paper discusses problems encountered in modeling naval warfare with emphasis on the RAND Strategy Assessment System (RSAS) as installed at the Naval Postgraduate School. The paper points out that there are unique modeling problems for naval warfare, that the RSAS work is attempting to solve these problems, but that more work needs to be done. The author includes details on RSAS naval models, and recommends improvements to these models as well as RSAS approach to naval warfare. Keywords: High level language, War gaming, Simulation, RAND-ABEL programming language, UNIX operating system. (kr)