DTIC Thesaurus Subject Categories

DTIC® has identified 25 broad subject fields and 251 groups to categorize the areas of scientific and technical interest. These fields and groups provide the structure for the subject grouping of technical reports in DTIC's collection and are used to define the areas of need-to-know in distributing these reports. Through this site, you will find the subject coverage for each subject category, as well as cross-references to related fields and groups.

Subject Categorization Guide for Defense Science & Technology

Alphabetical Index to the SCG, December 2019
Numeric Index to the SCG, December 2019