text: Glossary
  OE operational environment
  OPCON operational control
  OPLAN operation plan
  OPORD operation order
  RSOI reception, staging, onward movement, and integration
  S-2 battalion or brigade intelligence staff officer
  S-3 battalion or brigade operations staff officer
  S-4 logistics staff officer
  S-9 battalion or brigade civil affairs operations staff officer
  SPOD seaport of debarkation
  SSGF standard and sharable geospatial foundation
  STANAG standardization agreement (NATO)
  TC training circular
  TEC theater engineer command
  TGD theater geospatial database
  TM technical manual
  UROC USACE Reachback Operations Center
  U.S. United States
  USACE United States Army Corps of Engineers
  USAES United States Army Engineer School
  USAREUR United States Army, European Command
  USC United States Code
  USINDOPACOM United States Indo-Pacific Command
  SECTION II – TERMS
  countermobility operations
  Those combined arms activities that use or enhance the effects of natural and man-made obstables to
  deny enemy freedom of movement and maneuver. (ATP 3-90.8)
  *engineer work line
  A coordinated boundary or phase line used to compartmentalize an area of operations to indicate
  where specific engineer units have primary responsibility for the engineer effort.
  *field force engineering
  The application of Army engineering capabilities from the three engineer disciplines through
  reachback and forward presence.