text: National, Department of Defense, Army Reserve, and Joint Cyberspace and Electromagnetic Warfare
  Organizations
  Figure D-2. National electromagnetic spectrum operations organizational structure.
  D-45. A corps or division designated to command Army and Marine Corps forces in a joint operations area
  is called a joint force land component command. The joint force land component commander establishes its
  EMSO cell by integrating its spectrum management chief with its CEMA section. The JTF ensures JEMSO
  is conducted in the joint operations area in accordance with the combatant commander’s established policies.
  For more information on JEMSO, refer to JP 3-85.