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FM 90-4: Air Assault Operations

Field manual 90-4 describes how infantry and aviation units plan and conduct air assault operations. It emphasizes the coordination necessary between these organizations concerning the planning sequence and tactical employment of both elements. It is written primarily for aviation and infantry units and is applicable to combat support and service support units with a need to plan for and use Army aviation support.


  • 2011-03-01: ATTP 3-18.12 supersedes FM 90-4, 16 March 1987.
  • 1987-03-16: [pdf]
  • 1980-10-08