To establish Marine Corps coordinated implementation policy for references (a) through (c) for all Marine Corps tactical C4 and ISR systems. This Order provides the policy for coordinated implementation of military standards (MIL-STD) 6017, 2045-47001,' and 188-220; identifies a core VMF Message set for all Marine Corps Tactical C4/ISR systems (Table 1); and provides the current schedule for standards publication, system implementation,and the fielded baselines (Table 2). This schedule will aid in coordination efforts by standardizing ·each cycle of systems upgrades throughout the Marine Corps and Marine aviation systems by Naval Air Systems Command.