Marine Corps Warfighting Publication (MCWP) 3-11.4, Helicopterborne Operations, describes how infantry and aviation units plan and conduct helicopterborne operations during subsequent operations ashore. MCWP 3-11.4 emphasizes the coordination necessary between ground, air, combat support, and combat service support organizations concerning the planning sequence and tactical employment of ground and aviation elements. It describes the versatility of helicopterborne operations and explains the tactical fundamentals of helicopterborne operations for ground-based operations once ashore.