A few target descriptions for the assessment software AVAL has been developed, primarily to be used within the armed forces´ studies. In this report the rocket artillery systems BM22 and FROG 7, carried on a vehicle based on ZIL 135, are described. The report gives a summary of the targets and their limitations. To understand the models well enough to be able to use them and understand the simulation results one has to aquire a deeper understanding of the descriptions than that presented here.