#duty_assignment__assignment  as duty that you are assigned to perform especially in the armed forces: "hazardous duty"
  supertype:  #duty  work that you are obliged to perform for moral or legal reasons: "the duties of the job"
  subtype:  #guard_duty__guardduty__guard__sentry_duty__sentry_go  the duty of serving as a sentry; "he was on guard that night"
  subtype:  #fatigue_duty__fatigueduty__fatigue  labor of a nonmilitary kind done by soldiers (cleaning or digging or draining or so on); "the soldiers were put on fatigue to teach them a lesson"; "they were assigned to kitchen fatigues"
  subtype:  #mission__charge__commission  a task that has been assigned to a person or group; "a confidential mission to London"; "his charge was deliver a message"
     subtype:  #fool's_errand  a fruitless mission
     subtype:  #mission_impossible__missionimpossible  an extremely dangerous or difficult mission
  subtype:  #reassignment  assignment to a different duty
     subtype:  #secondment  the detachment of a person from their regular organization for temporary assignment elsewhere
  subtype:  #sea-duty__seaduty__service_abroad__serviceabroad__shipboard_duty__shipboardduty  naval service aboard a ship at sea
  subtype:  #shore_duty__shoreduty  naval service at land bases

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