I hope that visitors to this site who have access to such enhancements will contribute to the lexicon so that it can achieve its potential as a comprehensive, useful, and interesting source of information for both researchers and casual browsers. Finally, although I review the links from time to time, the dynamics of the Web will result in some disappointment when encountering a discontinued link. Of general significance to space and electronic warfare, military technology or emerging technologies. If a term has more than one definition, or is defined in more than one source, the various definitions are listed with numerical prefixes. Definitions from multiple sources are included only when they differ sufficiently to provide additional insight.
Many definitions have accompanying examples or explanatory notes.
If more than one source defines a term, the definition from the source highest on the list shown below is used. The bibliography lists all of these citations. Thanks to Ashley Glover for suggesting the links grouped under the heading Defense Industry Portals . Be sure to visit Mr. Massey's remarkable web site.