GLOSSARY OF ABBREVIATIONS AND ACRONYMS ABM Ballistic missile defense ABRES Aeroballistic Reentry Systems AC Alternating current AC ASAT carrier ACS Attitude control system ADIZ Air Defense Identification Zone Agr. International agreement(s) ALS Alternate launch site ASAT Antisatellite weapon BCI Baggage and cargo inspection BMD Ballistic missile defense BT Booby trap C^ Communications C3 Command and control C^ Command, control, and communications C I Command, control, communications, and intelligence CBW Chemical/biological warfare CDEP (SPS) Concept Development and Evaluation Program CE+I Counterespionage and intelligence CIA Central Intelligence Agency CMOS Complementary metal oxide semiconductor C0_ Carbon dioxide COMINT Electronic intelligence to analyze a communications network (See also ELINT and SIGINT) Comm. Communications COMSAT Communications Satellite Corporation (U.S.) CONUS Airspace over the continental U.S. COTV Cargo orbital transfer vehicle CW Continuous wave (Applied to a transmitter, this term implies continuous rather than pulsed operation.) DB Direct broadcast DC Direct current DDT&E Design, development, test, and engineering DEW Directed energy weapons DF Deuterium flour ide DK Dual key enabling system DOD U.S. Department of Defense DOE U.S. Department of Energy DOS U.S. Department of State DRMR Satellite deployment, replacement, maintenance, or repair △V ("delta- Maneuvering to change orbit or trajectory; magnitude of change in vee") orbital velocity
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