text: Acronyms, Abbreviations, and Country Codes
  Bolded entries apply only to the Army. An asterisk (*) marks terms shown in chapter 1.
  USEUCOM United States European Command
  USG United States Government
  USMC United States Marine Corps
  USMTF United States message text format
  USN United States Navy
  USNORTHCOM United States Northern Command
  USPACOM United States Pacific Command
  USSOCOM United States Special Operations Command
  USSOUTHCOM United States Southern Command
  USSTRATCOM United States Strategic Command
  USTRANSCOM United States Transportation Command
  UTM universal transverse Mercator
  UTP unit training plan
  UW *unconventional warfare
  UXO *unexploded explosive ordnance
  —V—
  VBIED *vehicle-borne improvised explosive device
  VI *visual information
  VISA *Voluntary Intermodal Sealift Agreement
  VoIP voice over internet protocol
  VRC vehicle radio communication
  VSAT very small aperture terminal
  VT variable time
  VTC video teleconference
  —W—
  WAN wide-area network
  WARM *wartime reserve modes
  WARNORD *warning order
  WCS *weapons control status
  WEZ *weapon engagement zone
  WMD *weapons of mass destruction
  WMD defeat *weapons of mass destruction defeat
  WP white phosphorous
  WPS Worldwide Port System
  WTBD warrior tasks and battle drills
  WTI *weapons technical intelligence
  —X—
  XO executive officer
  —Y—
  ZF *zone of fire