MCRP 3-20B.1 is a single source, descriptive reference guide provides guidance and tactics, techniques, and procedures (TTP) for operational commanders and staffs on opening and transferring an airfield.  It contains information on Service capabilities, planning considerations, airfield assessment and surveys, opening the airfield, and transitioning the airfield in all operational environments. This publication applies to all commanders, senior airfield authorities, planning staffs, airfield opening forces, air traffic controllers, and support agencies.