text: Acronyms, Abbreviations, and Country Codes
  Bolded entries apply only to the Army. An asterisk (*) marks terms shown in chapter 1.
  MEF Marine expeditionary force
  MET mission-essential task
  METL *mission-essential task list
  METT-T mission, enemy, terrain and weather, troops and support available-
  time available
  METT-TC mission, enemy, terrain and weather, troops and support
  available, time available, civil considerations [mission
  variables] (Army)
  MEZ *missile engagement zone
  MGO *military government operations
  MGRS military grid reference system
  MHE materials handling equipment
  MHQ *music headquarters
  MI military intelligence
  MIA missing in action
  MIDS Multifunction Information Distribution System
  MILCON military construction
  MILDEC *military deception
  MIL-STD military standard
  MIS military information support
  MISG military information support group
  MISO *military information support operations
  MISOC military information support operations command
  MLC military load classification
  MLRS multiple launch rocket system
  MMR *Minimum-risk route
  MMT military mail terminal
  MNL *multinational logistics
  MOA memorandum of agreement
  MOB *mobilization
  MOC *media operations center
  MOE *measure of effectiveness
  MOP *measure of performance
  MOPP *mission oriented protective posture
  MOS military occupational specialty
  MOU memorandum of understanding
  MP military police
  MPA Military Personnel, Army
  MPD *music performance detachment
  MPT *music performance team
  MPU *music performance unit
  MRE meal, ready to eat
  MRL multiple rocket launcher
  MSC *Military Sealift Command
  MSE mobile subscriber equipment
  MSF *mobile security force
  MSI *multispectral imagery
  MSL mean sea level