Services Agency DLSc – (p) Diploma in Library Science DLSC (i) U.S. Defense Logistics Services Center U.S. Defense Logistics Support Command Department of Library Special Collections (Western Kentucky University Libraries) Direct Loan Servicing Center Directorate of Land Strategic Concepts (Canada) Dominican Lay Scholars Community DLTBGYD – Don't let the bastards grind you down DM DM (s) Dominica (ISO 3166 digram) (i) Dungeon Master (role-playing games) DMA (i) Designated market area (primarily a U.S. term) U.S. Defense Mapping Agency (became NIMA, then NGA) Direct Memory Access (computing) (s) Dominica (ISO 3166 trigram) DMC – (i) (U.S.) Defense Management Council DMCA – Digital Millennium Copyright Act DMD (i) dentariae medicinae doctor (Latin, "doctor of dental medicine") Digital Micromirror Device Digital Multilayer Disk DMI – (i) Desktop Management Interface (computing) DMM – Digital Multimeter DMOC – (i) Distributed Mission Operations Centre DMOS – (i/a) Double Diffused MOS transistor ("dee-moss") DMPA – (i) (U.S.) Defense Medical Programs Activity DMPFC – (i) DorsoMedial PreFrontal Cortex DMPK – (i) Drug Metabolism and Pharmacokinetics DMRB – (i) Design Manual for Roads and Bridges DMS – (i) U.S. Defense Message System DMSO (p) Dimethyl sulfoxide (i) U.S. Defense Modeling & Simulation Office ("dim-so"), now Modeling and Simulation Coordination Office DMSP – (i) U.S. Defense Meteorological Satellite Program DMT – (i) Dimethyltryptamine DMU – (i) Diesel Multiple Unit, a method of connecting self-propelled railway vehicles together to form a train under the control of one driver. DMV – (i) Department of Motor Vehicles DMZ – (i) DeMilitarized Zone DN DN – (i) Deacon DNA (i) U.S. Defense Nuclear Agency Deoxyribonucleic acid Douglas Noël Adams DNAW – (i) Day Night All Weather DND – (i) Department of National Defence (Canada) – Do not disturb DNDi – (i) Drugs for Neglected Diseases initiative DNDO – (i) U.S. Domestic Nuclear Detection Office DNM – (i) Defence Nuclear Material DNK – (s) Denmark (ISO 3166 trigram) DNR – (i) Do not resuscitate DNS – (i) Domain name system DO DO – (s) Dominica (FIPS 10-4 country code) – Dominican Republic (ISO 3166 digram) – (i) Doctor of Osteopathic Medicine DOA – (i) Dead On Arrival – Dead or Alive DOB – (i) Date Of Birth DoCRA – (a) Duty of Care Risk Analysis Standard DOD – (i) U.S. Department of Defense DODAF – (a) U.S. Department of Defense Architectural Framework DoDD – (i) U.S. Department of Defense Directive DoDEA – (i) (U.S.) Department