scope:

Application and Scope. This instruction applies to all U.S. Navy commands, activities, units, and forces having responsibility for custody or supporting operations, life cycle support, development, or acquisition of NW or NW systems, including nuclear command, control and communications (NC3) systems. This instruction also applies to all U.S. Marine Corps (USMC) units providing direct support and those specific activities required for security of DON NW. Nuclear command and control and employment planning authorities and responsibilities remain as previously delegated to operational commanders.

Purpose. To define policy, responsibilities, and authorities for the safe, secure, and reliable stewardship of Department of the Navy (DON) nuclear weapons (NW) and NW systems.