This index includes all articles and editorials from the first five volumes of the Airpower Journal. It does not include book reviews. All entries are indexed by author, title, and subject. The subject index divides all entries into 102 categories. Within a subject category the articles are listed chronologically, allowing the reader to locate articles from specific time periods. Articles and editorials may be cross-referenced in up to five different categories. The typical entry includes the author's name, title of the article/ editorial, volume number, issue number, date of issue, and inclusive page numbers. In each case, the editor has tried to be sufficiently broad-mind in making category assignments so that articles only marginally appropriate for a category are included rather than excluded. Category titles are based on those used in the Air University Review Index.