text: Chapter 1
  survivability — (DOD) All aspects of protecting personnel, weapons, and supplies while simultaneously
  deceiving the enemy. (JP 3-34) (Army, Marine Corps) A quality or capability of military forces which permits
  them to avoid or withstand hostile actions or environmental conditions while retaining the ability to fulfill their
  primary mission. (ATP 3-37.34)
  survivability move — A move that involves rapidly displacing a unit, command post, or facility in response to
  direct and indirect fires, the approach of a threat or as a proactive measure based on intelligence,
  meteorological data, and risk assessment of enemy capabilities and intentions. (ADP 3-90)
  survivability operations — (Army, Marine Corps) Those military activities that alter the physical environment to
  provide or improve cover, camouflage, and concealment. (ATP 3-37.34)
  survival, evasion, resistance, and escape — (DOD) Actions performed by isolated personnel designed to
  ensure their health, mobility, safety, and honor in anticipation of or preparation for their return to friendly
  control. (JP 3-50) Also called SERE.
  suspension of arms — A form of local armistice concluded between commanders of military forces for some
  local military purpose, such as to recover and bury the dead, to collect and care for the wounded and sick, to
  arrange for exchange of prisoners, or to enable a commander to communicate with his or her government or
  superior. Also called a suspension of fire. (FM 6-27)
  sustaining operation — An operation at any echelon that enables the decisive operation or shaping operations
  by generating and maintaining combat power. (ADP 3-0) See also decisive operation, shaping operation.
  sustainment — (DOD) The provision of logistics and personnel services required to maintain and prolong
  operations until successful mission accomplishment. (JP 3-0) (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 maintenance — Off -system component repair and/or end item repair and return to the supply
  system or by exception to the owning unit, performed by national level maintenance providers. (FM 4-30)
  sustainment preparation of the operational environment — The analysis to determine infrastructure, physical
  environment, and resources in the operational environment that will optimize or adversely impact friendly
  forces means for supporting and sustaining the commander’s operations plan. (ADP 4-0)
  sustainment warfighting function — The related tasks and systems that provide support and services to
  ensure freedom of action, extend operational reach, and prolong endurance. (ADP 3-0) See also warfighting
  function.
  switch engines — The type of motive power used for receiving cars, classifying, and reassembling them for
  delivery or forward movement. (ATP 4-14)
  switch stand — The mechanism which controls the operation of the switch and shows its position. (ATP 4-14)
  switch tie — Specially cut and formed hardwood crossties, designed to support switches, switch stands, and the
  moveable rails of a switch. (ATP 4-14)
  synchronization — (DOD) 1. The arrangement of military actions in time, space, and purpose to produce
  maximum relative combat power at a decisive place and time. (JP 2-0) 2. In the intelligence context,
  application of intelligence sources and methods in concert with the operation plan to answer intelligence
  requirements in time to influence the decisions they support. (JP 2-0)
  system — (DOD) A functionally, physically, and/or behaviorally related group of regularly interacting or
  interdependent elements; that group of elements forming a unified whole. (JP 3-0)
  systems support contract — (DOD) A prearranged contract awarded by a Military Department and the United
  States Special Operations Command program management office that provides fielding, technical, and
  maintenance support for selected military weapon and other systems. (JP 4-10)
  —T—
  TABOO frequencies — (DOD) Any friendly frequency of such importance that it must never be deliberately
  jammed or interfered with by friendly forces including international distress, safety, and controller frequencies.
  (JP 3-85)
  tacit knowledge — What individuals know; a unique, personal store of knowledge gained from life experiences,
  training, and networks of friends, acquaintances, and professional colleagues. (ATP 6-01.1)
  tactical air control party — (DOD) A subordinate operational component of a tactical air control system
  designed to provide air liaison to land forces and for the control of aircraft. (JP 3-09.3) Also called TACP.
  tactical air coordinator (airborne) — (DOD) An aircrew member who coordinates, from an aircraft, the actions
  of other aircraft engaged in air support of ground or sea forces. (JP 3-09.3) Also called TAC(A).