DEPARTMENT OF THE NAVY
O
FFICE
O
F THE
S
ECRETA
RY
1000
NA
VY
PENTAGON
WASHINGTON DC 20350·1000
SECNAVINST 5430.57H
NAVINSGEN
17 Dec 2019
SECNAV INSTRUCTION 5430.57H
From: Secretary of the Navy
Subj: MISSION AND FUNCTIONS OF THE NAVAL INSPECTOR GENERAL
Ref: (a) SECNAVINST 5430.7R
(b) 10 U.S.C §8014
(c) 10 U.S.C §8020
(d) 10 U.S.C §8032
(e) 10 U.S.C §8042
(f) SECNAV M-5214.1
Encl: (1) Relationships
(2) Responsibilities
(3) Acronyms
(4) Definitions
1. Purpose. To establish the mission and functions of the Naval
Inspector General (NAVIG). This instruction defines the roles
and authorities of the NAVIG in accordance with references (a)
through (f). Enclosures (1) through (4) provide relationships,
responsibilities, acronyms, and definitions, respectively.
2. Cancellation. SECNAVINST 5430.57G.
3. Applicability. This instruction applies to the Offices of
the Secretary of the Navy (SECNAV), the Chief of Naval Operations
(CNO), the Commandant of the Marine Corps (CMC), and all U.S.
Navy (Navy), U.S. Marine Corps (USMC) installations, commands,
activities, field offices, and all other organizational entities
within the Department of the Navy (DON).
4. Policy. In accordance with references (a), (d) and (c), it
is DON policy:
a. To inspect, investigate, or inquire into any and all
matters of importance to the DON in order to maintain the highest
level of public confidence. The NAVIG reports to the SECNAV and
serves as the SECNAV’s representative. In this capacity, the
