text: Chapter 14
  They position them to the front, rear, flanks, and above, of formations while moving and at the halt to provide
  all around security for the main body. Units can also enhance security by adopting a march formation and
  movement technique that facilitates applying combat power in the direction enemy contact is expected.
  14-57. Higher echelon sustainment organizations may support some tactical movements. When the
  situation permits, sustainment organizations establish maintenance, ambulance exchange, and supply points
  along the route to support the movement. While procedures, amounts, and types of external support vary,
  each sustainment organization ensures that these sites are operational at the designated times and locations.
  External sustainment along the route may include aeromedical evacuation, maintenance, water, petroleum,
  oils, and lubricants. Maintenance sites generally consist of maintenance collection points where disabled
  vehicles can be moved for limited maintenance and Class IX supplies. Vehicles unable to continue the
  movement remain at maintenance collection points and join their parent organization when repaired. The
  troop movement is complete when the last march unit clears the RP.