text: Security Operations
  stationary force, handing off control of the fight at the BHL. Figure 5-19 provides an example of a rearward
  passage of lines with graphic control measures.
  Figure 5-19. Rearward passage of lines
  Planning Considerations
  5-162. Planning procedures for a rearward passage of lines closely resemble the planning procedures for a
  forward passage of lines. However, rearward movement is likely to be more difficult because of the following:
  * The threat probably has the initiative, which tends to reduce the time available to conduct liaison
  and reconnaissance and make detailed plans.
  * If the rearward moving force has been in action, its Soldiers are tired and possibly disorganized to
  some degree.