This correspondence course is designed for self-study to help military personnel to attain the rating of weather specialist. The course is organized in three volumes. The first volume, containing seven chapters, covers background knowledge, meteorology, and climatology. In the second volume, which also contains seven chapters, surface observations, radar, and satellite use are presented. The final volume, in five chapters, covers weather codes, communications, analysis, and forecasting. The volumes contain learning objectives, information and analysis, and exercises. Supplementary materials include foldout charts and review exercises for each volume. Learning materials are illustrated. A change supplement for all three volumes also is included in this packet. (KC)