Marvel Cinematic Universe Medium close-up (camera direction in British TV scripts) (p) Microcontroller unit (i) Milk clotting units Ming Chuan University Minimum coded unit (digital imaging) Multipoint control unit Municipal Credit Union (New York) MD Md – (s) Mendelevium MD (s) Fifteen Hundred (in Roman numerals) Maryland (postal symbol) (i) Medicinae Doctor (Doctor of Medicine/Medical Doctor) Mentioned in Dispatches (military) (s) Moldova (FIPS 10-4 country code; ISO 3166 digram) MDA (i) Main Defensive Action/Area (s) Moldova (ISO 3166 trigram) (i) Muscular Dystrophy Association MDF (i) Main distribution frame Medium-density fiberboard MDG (s) Madagascar (ISO 3166 trigram) (i) UN Millennium Development Goal MDL – (s) Moldovan leu (ISO 4217 currency code) MDM (i) Michigan Dartmouth MIT telescope consortium Master data management MDMA – (i) MethyleneDioxy-MethylAmphetamine (also known as "Ecstasy") MDNA – (p) Madonna's 12th studio album title (2012) MDO – (i) Membership Driven Organisation MDP – (i) Markov Decision Process MDT – (i) Mountain Daylight Time (UTC−6 hours) MDS MDV – (s) Maldives (ISO 3166 trigram) MDW (s) Chicago Midway International Airport in Chicago (IATA airport code) (i) Military District of Washington (s) Minnesota, Dakota and Western Railway (AAR reporting mark) (i) Mother’s Day Weekend ME Me – (s) Messerschmitt ME (s) Maine (postal symbol) (i) Mechanical engineer[ing] Medical examiner Middle East (s) Middle East Airlines (IATA code) (i) Memory Effect – Myalgic Encephalomyelitis MEA (i) Maine Educational Assessment Middle East Airlines Millennium Ecosystem Assessment Minimum en route altitude Mono-ethanol Amine Multilateral Environmental Agreement MEAC – (a) Mid-Eastern Athletic Conference (ME-ac) MEC (s) Maine Central Railroad Manta, Ecuador (IATA location identifier) (i) Model European Council Mountain East Conference Mountain Equipment Co-op MECC – (a) Minnesota Educational Computing Consortium (later Corporation, dissolved 1999) MECCA – (a) Milwaukee Exposition Convention Center and Arena, a former name for the sports venue now known as UW–Milwaukee Panther Arena MECO – (a) Main engine cutoff (NASA code for point in Space Shuttle assent when three main engines are shut down prior to External Tank (ET) separation) MEDEVAC – (p) Medical evacuation MEDLI (a) Mars Science Laboratory Entry, Descent, and Landing Instrumentation (a) Medical & Scientific Libraries of Long Island (a) Model for Effluent Disposal using Land Irrigation MEDS – (a) Mission Essential Data Set MEF (i) U.S. Marine Expeditionary Force Minimum essential facility Mission essential force MEG – (i) MagnetoEncephaloGraphy MEI – (i) Matsushita Electric Industrial Co., Ltd. MEK (i) Magyar Elektronikus Konyvtar Message encryption key