(i) Methods-Time Measurement MTOE – (p) Modified Table of Organization and Equipment ("emm-toe") MTP (i) Maritime Tactical Publication Materiel Transfer Plan Mission Training Plan MTQ – (s) Martinique (ISO 3166 trigram) MTR (i) Main and Tail Rotor (helicopter type) Mass Transit Railway (Hong Kong metro system) Military-Technological Revolution MTS (i) Maintenance Training System Manitoba Telephone System and Manitoba Telecom Services, former names of Bell MTS Michigan Terminal/Timesharing System Movement Tracking System Multichannel television sound Multi-Technical Services MTT – (p) Methylthiazol tetrazolium (assay) MTU – (i) Tankovei Mostoukladchik (Russian Танковый Мостоукладчик, "Tank Bridge-Layer") † MTV (i) MainosTeleVisio (Finnish commercial TV company) Music TeleVision MTVL – (i) Mobile Tracked Vehicle, Light MTWS – (i) MAGTF Tactical Warfare System MU MU – (s) Mauritius (ISO 3166 digram) – Oman (FIPS 10-4 country code; from Muscat) MUA – (i) Meritorious Unit Award – Military Utility Assessment MUR – (s) Mauritius rupee (ISO 4217 currency code) MUS – (s) Mauritius (ISO 3166 trigram) MV mV – (s) Millivolt MV – (s) Maldives (FIPS 10-4 country code; ISO 3166 digram) – Megavolt – (i) Motor Vehicle – Motor Vessel MVC – (i) Missouri Valley Conference MVFC – (i) Missouri Valley Football Conference MVNO – (i) Mobile virtual network operator MVP – (i) Most Valuable Player MVR – (s) Maldivian rufiyaa (ISO 4217 currency code) MW mW – (s) Milliwatt MW (i) Maintenance of way (also MOW) (s) Malawi (ISO 3166 digram) (i) Medium Wave (radio) (s) Megawatt (i) Mountain West (Conference) (formal initialism since July 2011) MWC (i) Maritime Warfare Centre (various nations) Mountain West Conference (still used informally, although the league has adopted "MW") MWESH – (p) Machismo Wizards Extended SHelter (operating system) MWI – (s) Malawi (ISO 3166 trigram) MWK – (s) Malawian kwacha (ISO 4217 currency code) MWOA – (i) Mount Wilson Observatory Association MWR – (i) Morale, Welfare, and Recreation MWTB - (a) Mounted Warfare Test Bed MX MX – (a) Mail Exchange – (s) Mexico (FIPS 10-4 country code; ISO 3166 digram) – (p) Missile eXperimental MXN – (s) Mexican peso (ISO 4217 currency code) MY my – (s) Burmese language (ISO 639-1 code) MY – (s) Malaysia (FIPS 10-4 country code; ISO 3166 digram) mya – (s) Burmese language (ISO 639-2 code) – (i) million years ago MYOB – (i) Mind Your Own Business MYR – (s) Malaysian ringgit (ISO 4217 currency code) MYS – (s) Malaysia (ISO 3166 trigram)