text: Chapter 2
  Bolded entries apply only to the Army. An asterisk (*) marks terms shown in chapter 1.
  SBCT Stryker brigade combat team
  SC *security cooperation, *strategic communication
  SCA *space coordinating authority
  SCAR *strike coordination and reconnaissance
  SCI sensitive compartmented information
  SCO *security cooperation organization
  SDDC Surface Deployment and Distribution Command
  SE *site exploitation
  SEAD *suppression of enemy air defenses
  SecDef Secretary of Defense
  SERE survival, evasion, resistance, and escape
  SF *special forces
  SFA security force assistance
  SGM sergeant major
  SGT sergeant
  SHF super-high frequency
  SIF selective identification feature
  SIGACT significant activity
  SIGINT *signals intelligence
  SINCGARS single-channel ground and airborne radio system
  SIPRNET *SECRET Internet Protocol Router Network
  SIR specific information requirement
  SITREP *situation report
  SJA staff judge advocate
  SJOA *space joint operating area
  SME subject matter expert
  SMO *Spectrum Management Operations
  SOCCE *special operations command and control element
  SOF *special operations forces
  SOFA *status-of-forces agreement
  SOI signal operating instructions
  SOJTF *special operations joint task force
  SOLE *special operations liaison element
  SOP *standard operating procedure
  SOR statement of requirement
  SP *start point
  SPINS special instructions
  SPM *single port manager
  SPO support operations
  SPOD seaport of debarkation
  SPOE seaport of embarkation
  SPOTREP *spot report
  SR *special reconnaissance
  SROE standing rules of engagement
  SRP Soldier readiness processing
  SRUF *standing rules for the use of force
  SSA *supply support activity