HQ Departments
Supply Departments
Billet terms/ Department Head
Levels of Maintenance
MISC
100

Personnel Administration Office

S-1

100

WMD

Warehouse Management Division

100

CO

Commanding Officer

100

COTS

Commercial Off the Shelf

100

PC

Personal Computer

200

Communication and Information Systems Office

S-6

200

CSD

Customer Support Division

200

AOO

Aviation Ordnance Officer.

200

GOTS

Government Off the Shelf

200
EOFY

End of Fiscal Year

300

Operations and Training Office

S-3

300

SMD

Supply Management Division

300

AMO

Aviation Maintenance Officer

300

Where is O level maintenance done

At flying Squadrons

300

NIWC

Naval Information Warfare Center.

400

Intelligence and Security Office

S-2

400

OMD

Office Management Division

400

ASO

Aviation Supply Officer

400

Where is I level maintenance done

At MALS

400

IMRL

Individual Material Readiness List

500

Logistics and Embarkation Office

S-4

500

ALL SUPPLY DEPARTMENTS

CSD SMD WMD OMD

500

AVO

Aviation Avionics Officer

500

Where is D level maintenance done

At the Manufacturer

500

TPL

Technical Publications Library.