DEPARTMENT OF THE NAVY
OFFICE OF THE CHIEF OF NAVAL OPERATIONS
2000 NAVY PENTAGON
WASHINGTON DC 20350-2000
OPNAVINST 1223.1D
N13
22 Aug 2017
OPNAV INSTRUCTION 1223.1D
From: Chief of Naval Operations
Subj: NAVY ENLISTED OCCUPATIONAL CLASSIFICATION SYSTEM
Ref: (a) NAVPERS 15560D
(b) NAVPERS 18068F
(c) 10 U.S.C.
(d) OPNAVINST 5430.48E
(e) MIL-HDBK-61A(SE) of 7 February 2001
Encl: (1) NEOCS Board Overview
(2) NEOCS Process
(3) Utilization of Enlisted Occupational Standards for Training and Career Development
(4) Glossary of Occupational Standards Terms
1. Purpose. To identify responsibilities and requirements for development, control,
maintenance, and review of the Navy Enlisted Occupational Classification System (NEOCS).
Major changes to this revision are outlined in subparagraphs 1a and 1b. This instruction is a
complete revision and should be reviewed in its entirety.
a. Guidelines for utilization of enlisted occupational standards (OCCSTD) have been added
for establishing OCCSTDs for training and career development.
b. A glossary has been added for OCCSTDs terminology.
2. Cancellation. OPNAVINST 1223.1C and OPNAVINST 1500.74A.
3. Scope and Applicability. This instruction applies to all NEOCS Board members, type
commanders (TYCOM), Navy Education and Training Command (NETC), and any entity who
submits a NEOCS change request.
4. System Definition. The NEOCS is the method the Navy uses to identify skills, education,
training, and experience related to both enlisted personnel and manpower requirements. This
system forms the basis for enlisted personnel planning, manpower management, procurement,
training, education, advancement, distribution, career development, and mobilization.
