text: Security Operations
  Figure 13-3. Example of the security force crossing with the main body and conducting a zone
  reconnaissance
  TYPES OF SECURITY OPERATIONS
  13-50. Commanders assign security missions based on the degree of security desired and the amount of
  combat power required. The four types of security operations and their associated methods and formations
  are—
  * Screen.
   Stationary.
   Moving (flank and rear).
  * Guard.
   Advance guard (stationary and moving).
   Flank guard (stationary and moving).
   Rear guard.
  * Cover.
   Offensive cover (advance and flank).
   Defensive cover (front, flank, and rear).
  * Area security.
   Site security.
   Line of communication and route security.
   Convoy security.
   Response force operations.
   Area damage control.