text: Chapter 1
  conduct area analysis to identify potential medical and environmental hazards and threats. The chief of
  protection participates in targeting battle rhythm events.
  ENGINEER OFFICER
  1-95. The engineer officer assists the assistant chief of plans and G-3 with planning and assessing mobility
  and countermobility capability. The engineer officer identifies threat engineering critical capabilities,
  requirements, and vulnerabilities. They conduct TVA of threat engineer capabilities and characteristics to
  determine their HVTs.
  1-96. The engineer officer nominates HPTs and TAIs to affect threat engineer capacity. They contribute to
  TSS, AGM, and BDA development for threat engineering capabilities, and recommends obstacles that deny
  the enemy freedom of movement across the depth of the AO. The engineer officer identifies critical
  infrastructures along the main and supporting line of communication for inclusion on the RTL/JTL and
  participates in targeting battle rhythm events.
  LOGISTICS OFFICER
  1-97. The assistant chief of staff, logistics (G-4) is the principal staff officer for sustainment plans and
  operations, supply, maintenance, transportation, services, and operational contract support. The G-4 (in
  conjunction with the G-2 and G-3) is responsible for the logistic preparation of the battlefield.
  1-98. G-4 supervises the execution of targeting tasks or activities by recommending sustainment priorities.
  At the theater level, the G-4 recommends controlled supply rates for critical munitions and capabilities to the
  commander for approval. Subordinate G-4s determine subsequent rates at their level. In conjunction with the
  chief of fires, the FSCOORD recommends the distribution of critical munitions to the commander for
  approval.
  1-99. The G-4 nominates key facilities and infrastructure on the main line of communications for inclusion
  on the RTL. The G-4 provides updates on threat logistics, tactics, equipment, capabilities, vulnerabilities,
  and intent. They identify threat supply/resupply routes and logistic HVTs and participate in targeting battle
  rhythm events.
  LIAISON OFFICERS
  1-100. Liaison officers present their commander's concept of operations, targeting requirements, target
  nominations, and requests for support in lieu of FSEs. Liaison officers participate in targeting battle rhythm
  events.