text: Glossary
  reception
  The process of receiving, off-loading, marshalling, accounting for, and transporting of personnel,
  equipment, and materiel from the strategic and/or intratheater deployment phase to a sea, air, or surface
  transportation point of debarkation to the marshalling area. (JP 3-35)
  redeployment
  (joint) The transfer or rotation of forces and materiel to support another commander’s operational
  requirements, or to return personnel, equipment, and materiel to the home and/or demobilization
  stations for reintegration and/or out-processing. (JP 3-35)
  retrograde
  (Army) A type of defensive operation that involves organized movement away from the enemy.
  (ADP 3-90)
  security assistance
  A group of programs authorized by federal statutes by which the United States provides defense
  articles, military training, and other defense-related services by grant, lease, loan, credit, or cash sales
  in furtherance of national policies and objectives, and those that are funded and authorized through the
  Department of State to be administered by Department of Defense/Defense Security Cooperation
  Agency, which are considered part of security cooperation. (JP 3-20)
  security cooperation
  Department of Defense interactions with foreign security establishments to build relationships that
  promote specific United States security interests, develop allied and partner military and security
  capabilities for self-defense and multinational operations, and provide United States forces with
  peacetime and contingency access to allies and partners. (JP 3-20)
  security force assistance
  (joint) The Department of Defense activities that support the development of capacity and capability of
  foreign security forces and their supporting institutions. (JP 3-20)
  staging
  Assembling, holding, and organizing arriving personnel, equipment, and sustaining materiel in
  preparation for onward movement (JP 3-35).
  striking force
  A dedicated counterattack force in a mobile defense constituted with the bulk of available combat
  power. (ADP 3-90)
  support area operations
  The tactical actions securing lines of communications, bases, and base clusters that enable an echelon’s
  sustainment and command and control. (FM 3-0)
  sustainment
  (Army) The provision of logistics, financial management, personnel services, and health service
  support necessary to maintain operations until successful mission completion. (ADP 4-0)
  sustainment warfighting function
  The related tasks and systems that provide support and services to enable freedom of action, extend
  operational reach, and prolong endurance. (ADP 3-0)
  tactical level of warfare
  The level of warfare at which forces plan and execute battles and engagements to achieve military
  objectives. (JP 3-0)
  tactical mobility
  The ability of friendly forces to move and maneuver freely on the battlefield relative to the enemy.
  (ADP 3-90)