DEPARTMENT OF THE NAVY
O
FFICE
O
F THE
S
ECRETA
RY
1000
NA
VY
PENTAGON
WASHINGTON DC 20350·1000
SECNAVINST 5030.8D
ASN (RD&A)
28 Jun 2022
SECNAV INSTRUCTION 5030.8D
From: Secretary of the Navy
Subj: GENERAL GUIDANCE FOR THE CLASSIFICATION OF NAVAL VESSELS
AND BATTLE FORCE SHIP COUNTING PROCEDURES
Ref: (a) 10 U.S.C. §231
(b) OPNAVINST 4700.8L
(c) OPNAVINST 4770.5J
(d) SECNAV M-5214.1
Encl: (1) Combatant Ship Category
(2) Auxiliary Ship Category
(3) Combatant Craft Category
(4) Unmanned Maritime Platform Category
(5) Support Craft Category
(6) Special Instructions
1. Purpose. To identify naval ship categories,
classifications, type, and type designations and to provide the
official counting procedures of Navy battle force ships.
2. Cancellation. SECNAVINST 5030.8C.
3. Applicability. This instruction applies to the Office of
the Secretary of the Navy (SECNAV), the Chief of Naval
Operations (CNO), the Commandant of the Marine Corps, and all
U.S. Navy (USN), U.S. Marine Corps installations, commands,
activities, field offices, and all other organizational entities
within the Department of the Navy.
4. Background. Enclosures (1) through (5) issue guidance for
establishing naval ship and craft categories, classifications,
type, and type designations. Enclosure (6) provides special
instructions for the application of letter prefixes and symbols
in ship classifications and type designations.
