text: Chapter 5
  points or areas on the ground. Units can use visual, audible, electronic, natural, or individual aids; for
  reliability and ease of recognition, units combine these. Operators of assembly aids land as close as
  possible to their assembly area so they can mark the area. An USAF combat control team or LRSC team
  may place assembly aids if the situation permits. Partisans, special operations forces personnel, or high-
  performance aircraft can deliver assembly aids. Whenever possible, regardless of the method chosen to
  emplacetheaids,commandersshouldprovidebackuppersonnel,backupaids,andbackupdeliverymeans.
  ControlPosts
  5-88. Anassemblycontrolpostisestablished by a smallpartyequipped withassembly aids, which moves
  after landing to a predesignated location to help assemble assault forces. (See figures 5-3 and 5-4.) Each
  drop zone or landing zone has a control post in or near the unit assembly area to coordinate and regulate
  assembly. No standard organization exists for control posts; their composition varies with the size of the
  parentunit,thenumberandtypeofassemblyaids,theterrain,andtheassignedmission.
  Figure 5-3. Assembly control posts for ABN IBCT forces landing on one drop zone