force module meaning

• [Defence]
  A grouping of combat, combat support, and combat service support forces, with their accompanying supplies and the required nonunit resupply and personnel necessary to sustain forces for a minimum of 30 days.
  The elements of force modules are linked together or are uniquely identified so that they may be extracted from or adjusted as an entity in the Joint Operation Planning and Execution System databases to enhance flexibility and usefulness of the operation plan during a crisis.
  Also called FM.
  See also force module package.

• Force modules ( FMs ) from previous plans ( cases ) can be dragged from the case library and dropped onto a geographic destination.