DEPARTMENT OF THE NAVY
OFFICE OF THE CHIEF OF NAVAL OPERATIONS
2000
NAVY PENTAGON
W
ASHINGTON DC 20350-2000
OPNAVINST 9420.1C
N2N6
30 Sep 2019
OPNAV INSTRUCTION 9420.1C
From: Chief of Naval Operations
Subj: POSITIONING, NAVIGATION AND TIMING POLICY
Ref: (a) CJCSI 6130.01G
(b) DoD Instruction 4650.06 of 16 June 2016
(c) DoD Instruction 4650.08 of 27 December 2018
(d) DoD Manual O-4650.11, Position, Navigation, and Timing (PNT) Security,
26 May 2017
(e) OPNAVINST 9420.2A of 31 October 2014
(f) 10 U.S.C. §2279b
(g) Deputy Secretary of Defense Classified Memorandum on Navigation Warfare
Implementation Guidance of 17 Nov 2004 (NOTAL)
(h) 2017 Federal Radio Navigation Plan (DOT-VNTSC-OST-R-15-01)
1. Purpose
a. To provide Navy policy governing positioning, navigation, and timing (PNT) and
navigation warfare (NAVWAR) matters per reference (a) and implementation of guidance
described in references (b) through (h).
b. To assign PNT responsibility to specific Navy organizations for requirements
development, acquisition, installation, testing, certification, training, sustainment, and operational
use of PNT and NAVWAR systems at sea and ashore.
c. This revision affirms established and newly established policies, more clearly defines the
pillars of PNT – to include renewed interest and recapitalization for celestial navigation – and
delineates the relationships and responsibilities to specific Navy organizations for more assured
PNT navigational standardization and superiority. This instruction is a major revision and should
be reviewed in its entirety.
2. Cancellation. OPNAVINST 9420.1B and OPNAVINST 3530.3B.
3. Background
a. Embedded at all levels of war, PNT information is critical to every aspect of evolving
naval and joint operations in the 21st century. It is the fundamental element for accurate
