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DDG 51-Class Departments & Divisions

Although some variation exists between specific ships, the following is represenative of the shipboard organization of ships of the DDG-15 Arleigh Burke class guided missile destroyers. Different ships may have alightly different divisions, but for the most part differences between ships of this class represent variation in the aggregation of Divisions into Departments.

ADMINISTRATIVE DEPARTMENT

Administrative Department (ADMIN) in the ship is responsible for generating and compiling all of  the instructions and policies that the ship must follow. Additionally, ADMIN handles all official documents produced and received by the Command. ADMIN also provides medical services, counseling services, and a Master-At-Arms Force that maintains good order and discipline in the ship. ADMIN is led by the Executive officer.

PERSONNEL. The Personnelmen (PNs) are responsible for the updating of crew member's service records. These service records include official documents, such as qualification sheets, evaluation reports, and list of awards received. Each record stays with that service member for his or her entire Navy career, and therefore must be extremely accurate, especially when a member transfers. The PNs also assist in ensuring all crew members are paid the correct amount on time.

ADMINISTRATIVE. The Yeomen (YNs) handle all official correspondence, publications, and documents for the Command. Additionally, the YNs are responsible for maintaining officer service records, ensuring entries are current and complete.

CAREER COUNSELING. The ship maintains one Navy Counselor (NC) on board as a resource to crew members. The NC can assist crew members in applying for numerous programs offered by the Navy. Finally, the NC ensures that all reenlistment requests are accurate and acted upon to support crew members' reenlistment wishes.

MASTER-AT-ARMS. The Master-At-Arms (MAs) ensure that good order and discipline is kept by the ship crew members, both on and off the ship. MAs continuously inspect the ship for cleanliness and safety. Additionally, MAs handle the preparation of all discipline reports, and assist the Legal Officer in conducting both judicial and nonjudicial punishment procedures. The MA Force is made up of at least one rated MA, and other crew members who volunteer for the Master-At-Arms Force.

MEDICAL. The ship maintains two Hospital Corpsman (HM) on board to support the crew with medical treatment, and to provide quick response in case of an emergency. The ship’s Independent Duty Corpsman (IDC) serves as the ship’s “Doc” and, with his assistant, serves as the command’s sole resource for both routine and emergency medical care. The Hospital Corpsmen provide care to injured or ill crew members. They are trained to conduct minor medical and dental procedures in the absence of an actual medical doctor. Corpsmen also assist physicians with physical examinations, patient care, and the administration of medication.

COMBAT SYSTEM DEPARTMENT

The ship's sophisticated combat system is designed to support brief, intense engagements, in which the full simultaneous operational capability of the ship, including maximum firepower of all weapons, will be employed to support national policy. The ship will operate as an element of a coordinated force, or independently as the nucleus of a Surface Action Group (SAG), to conduct and/or coordinate operations in numerous warfare mission areas, including: Anti-Air Warfare (AAW), Anti-Surface Warfare (ASUW), Anti-Submarine Warfare (ASW), and Strike Warfare (STW). Combat System Department, operating by the motto "In God We Trust, All Others We Track..." is led by the Combat System Officer, and consists of 4 divisions.

CE DIVISION. The Electronics Technicians (ETs) and Interior Communications Electricians (ICs) operate and maintain the ship's electronic support systems. Primary responsibilities include the operational readiness, calibration and casualty control of the Exterior Communications System , Interior Communication System , Navigation System , Surface Search Radar System , and electronic equipment not specifically assigned to another division. The ETs ensure all radiating sensors and communication equipment are operational for safe navigation, and communication with other units. The ICs are responsible for the Interior Voice Communication System, which is a complex system of telephone lines and multi-user nets used for internal communications, and shipboard command and control.

CF DIVISION. This division consists of Fire Control Technicians (FCs) responsible for the AEGIS Weapon System, which is the most sophisticated and complex weapon system in the world. At the heart of the AEGIS System is the ship's primary air and surface sensor, the AN/SPY-1D Phased Array Radar. This radar incorporates significant advances in the detection capabilities of the AEGIS Weapon System, particularly in its resistance to the enemy Electronic Countermeasures (ECM). Using the AN/SPY-1D, and the ship's MK 99 Fire Control System, the ship can guide its vertically-launched surface-to-air and surface-to-surface missiles (SM-2) to intercept hostile aircraft and surface combatants at extended ranges.

CS DIVISION. The System Test Officer and Combat System Maintenance Manager coordinate the testing, maintenance and operational demonstration of the entire combat system. This coordination often involves personnel from all departments, to ensure that the ship can meet any challenge presented.

CX DIVISION. This division consists of FCs responsible for the ship's Harpoon and Tomahawk surface-to-surface cruise missile weapons systems to support ASUW and STW missions. They also maintain the ship's two Phalanx Close-In Weapons Systems (CIWS), providing point defense against hostile air targets.

WEAPONS DEPARTMENT

The Weapons Department is what makes the ship a combatant. The Division Officers, five Chiefs and 65 Petty Officers and designated Seaman, operate and maintain all of the Weapons Systems. The Weapons Officer is responsible for managing the department and leads the divisions.

WA DIVISION. The SONAR Technicians (STs) are responsible for the AN/SQQ-89 Integrated ASW Suite, the most advanced ASW system in the world today. The AN/SQR-19 Tactical Towed Array SONAR (TACTAS) provides very long-range passive detection of enemy submarines, while the AN/SQS-53C Hull-Mounted SONAR is used actively and passively to detect and localize submarine contacts. Torpedoman’s Mates (TM) maintain the torpedoes and torpedo launching tubes onboard. The ship also has the capability to launch and recover SH-60B LAMPS MK III Helicopters, which can communicate with the ship to localize and attack submarines, and to conduct Over-The-Horizon Targeting (OTH-T) missions. The ship can attack hostile submarine contacts, using torpedoes fired from her six MK 32 Surface Vessel Torpedo Tubes (SVTT) or, for contacts at greater ranges, Vertical Launch Anti-Submarine Rockets (ASROC) (VLA) fired from the MK 41 Vertical Launching System (VLS).

WO DIVISION. The Gunners Mates (GMGs and GMMs) in Ordnance Division are responsible for all the safekeeping and transportation of almost all ammunition on board the ship, and most of the weaponry used to fire the ammunition. The MK 45 5"/54 Caliber Gun Mount, in conjunction with the MK 34 Gun Weapon System (GWS), is used against surface ship and close hostile aircraft, and support forces ashore with Naval Gunfire Support (NGFS).

ENGINEERING DEPARTMENT

The ship's Engineering Department consists of seventy-five technicians distributed throughout four divisions. The primary responsibilities of Engineering Department are to safely and efficiently provide propulsion, and generate and distribute electrical power throughout the ship. Additional responsibilities include: Fresh water distillation, steering control, damage control, drainage, and sewage treatment. The Engineering Department is led by the Engineering Officer, known as "CHENG," who supervises all engineering evolutions and ensures his department maintains all equipment properly and is capable of responding and recovering from any casualty that may occur in the engineering plant.

A/R DIVISION. Auxiliaries Division maintains almost all of the ship's auxiliary engineering equipment on board the ship. Known as A-Gang, the Enginemen (ENs) are responsible for the ship's air conditioning plants, fresh water distillers, potable water system, sewage system, steering system, laundry service equipment and galley equipment. The ENs maintain gear from the bow of the ship to the stern, and are constantly working to fix problems.

E DIVISION. Electrical Division is primarily tasked with maintaining the ship's electrical distribution systems. Additionally, the Electrician Mates (EMs) are responsible for shipboard lighting, cathodic protection, casualty power, degaussing systems, and electrical tool issue and maintenance. Finally, the EMs, along with the ETs in CE Division, ensure that all personal electronic devices are safety- checked while approved for use on board the ship.

MP DIVISION. The Gas Turbine Systems Mechanical Technicians (GSMs) and Gas Turbine Systems Electrical Technicians (GSEs) are primarily responsible for main propulsion and electrical power generation. The GSMs maintain four LM-2500 Gas Turbine Engines, and all associated equipment, in two Main Engine Rooms, necessary to provide and control propulsion. The GSEs are tasked with the upkeep of three Allison 501-K34 Gas Turbine Generators, capable of providing 2,500 Kilowatts each. Additionally, Main Propulsion Division is accountable for the storage and quality of the lubricating oil used throughout the engineering plant, and the fuel oil burned by the engines and helicopters.

DC DIVISION. Damage Control Division is primarily responsible for training the ship's crew in proper fire-fighting, flooding, and other casualty response techniques. Every person in the ship must first be a fire- fighter. The eighteen-person team, led by the Damage Control Assistant, provides general and specific training to everyone in the ship, so that all 325 crew members know their responsibilities during a casualty. Additionally, Damage Controlmen (DCs) are responsible for the upkeep of the ship's sophisticated repair equipment. Finally, the Damage Controlmen lead the way by serving as the team leaders for all shipboard emergency response teams.

OPERATIONS DEPARTMENT

Operations Department principle role is to support the ship in sustained operations at sea as a part of a Joint Task Group or as an independent unit in Anti-Air, Anti-Surface, Anti-Submarine and Strike Warfare operations against the enemy. Secondary roles include fixed and rotary-wing aircraft control, electronic and celestial navigation, electronic and visual communication, Naval Gunfire Support, Electronic Warfare, Search and Rescue.

Operations Department is led by the Operations Officer (OPS), who oversees all Division Officers and their respective divisions in the performance of their duties. OPS is also responsible for the evaluation and dissemination of combat and operational information required for the ship to fulfill its assigned mission. Other duties include serving as Command Training Officer, Command Safety Officer, and Primary Security Assistant.

OC DIVISION. OC Division consists of Radiomen (RMs), and is responsible for all electronic communication in the ship, including the receipt, transmission, and internal distribution of all electronic messages. The duties of OC Division include managing and handling sensitive material, which allows the ship to use secure ship-to-ship and ship-to-shore transmissions, and the operation of all radio equipment. The Communications Officer leads OC Division in the performance of its duties. Radiomen (RM) provide and maintain reliable, secure, and rapid telecommunications using a complex array of equipment subsystems and networks which provide support for the operational and administrative needs of the command. RMs also operates and maintains the ship’s non-tactical information systems including two local area networks and over one hundred computers. They are also responsible for the accreditation and security of each system.

OD DIVISION. OD Division is comprised of Boatswain's Mates (BMs) and non-designated seamen.  They are responsible for the safe execution of all deck evolutions, which include anchoring, mooring, underway replenishment, and small boat operations. WD Division also is responsible for the preservation and painting of the ship, and flight deck operations. The First Lieutenant leads WD Division in the performance of their duties. Boatswain's Mates (BM) are one of the oldest traditional ratings in the United States Navy. BMs are the experts in deck seamanship. They maintain the machinery and equipment topside, handle cargo and operate small boats. They also maintain and clean the ship's exterior, refuel the ship and assist in it's navigation. Deck Seamen (SN) are the ship's deck maintenance workforce. They assist the Boatswain's Mates in operating deck equipment and in maintaining topside spaces.

OI DIVISION. OI Division consists of Operations Specialists (OSs), Electronic Warfare Technicians (EWs), and Intelligence Specialists (ISs). Operation Specialists (OS) operates the radar, navigation, and communication equipment in the Combat Information Center (CIC). They evaluate radar displays, identify contacts, and carry out the tactical decisions for the Combat System. Intelligence Specialists (IS) assemble and analyze multisource operational intelligence by preparing and presenting intelligence briefings using graphics, overlays and mosaics. They plot imagery data using maps and charts and receive data from computerized intelligence systems ashore and afloat. This division is responsible for the collection and dissemination of all combat information required for the ship to assess the tactical situation, and successfully employ the unique combat capabilities of the complex warship. Other duties include the operation of the AEGIS Combat System. EWs manage the electronic spectrum so the ship can achieve the tactical advantage. The Combat Information Center Officer leads OI Division in the performance of its duties.

ON DIVISION. ON Division consists of Quartermasters (QMs) and Signalmen (SMs), and is responsible for the safe navigation in the ship, and visual communications. Quartermasters maintain all the charts and equipment necessary to safely navigate the ship, and are trained in determining ships position both celestially and with GPS. When the ship is underway, a Quartermaster is always on watch on the bridge to determine the ships position, assist the Officer of the Deck, and track the Path of Intended Movement (PIM). SMs are experts in visual communications, allowing the ship to communicate with other ships in sight, without using electronic means, which can be detected by the enemy. The Navigator leads ON Division in the performance of its duties.

SUPPLY DEPARTMENT

Supply Department is split into five divisions, which work together to provide the crew of the ship with everything from repair parts to meals. Supply Department is led by the Supply Officer, who ensures parts, consumable items and "hotel" services are provided to the crew.

S-1 DIVISION. Stores Division could best be described as the local version of a hardware store, repair parts warehouse, and convenience store, all rolled into one. The Storekeepers assigned to S-1, are responsible for providing material support to the entire ship. Their scope of responsibilities range from clerical support, to ensure the "Administrative Machine" runs smoothly, to procuring and stocking repair parts in order to maintain the ship's hull, mechanical and electrical mission readiness. Supply Support Center is located two decks below the Crew's Mess, amidships.

S-2 DIVISION. The Food Service Division in the ship is staffed by 15 Mess Management Specialists of various rank and time in service. The purpose of the General Mess is to provide U.S. Navy enlisted personnel with wholesome, nutritional meals. This is achieved through proper food preparation and service based on the Basic Daily Food Allowance (BDFA), which is promulgated by the Navy Ration Law. The General Mess is located on the main deck, amidships. They serve approximately 325 personnel three meals a day. The galley is manned 24 hours a day, seven days a week, to ensure that quality meals are produced piping hot, fresh, and on time for each crew meal.  This in turn greatly enhances the morale of the crew.

S-3 DIVISION. Sales and Services Division in the ship is staffed by a team of Ship's Servicemen (SHs) dedicated to customer service. This division includes the Barber Shop, Laundry, Ship's Store and Vending Machines, and, therefore, is inextricably linked to the morale of the ship. If it needs to be bought, cut, or washed, the SHs are the professionals that get the job done.

S-4 DIVISION. The ship's version of the local bank is the Disbursing Office, staffed by Disbursing Clerks (DKs). Any issue dealing with money is handled by these very capable professionals. Pay issues, travel and per diem payments, advance pay - the list of tasks performed by Disbursing goes on and on. Safekeeping of items of significant intrinsic value is provided on a strictly space-available basis. The ship even has an Automated Teller Machine (ATM) for Sailor's convenience.

S-5 DIVISION. The Wardroom Mess is another area for the ship's hospitality experts. The Mess Management Specialists (MSs) assigned to work in the Wardroom, are responsible for feeding the ship's 25 officers. These hearty meals, exactly the same meals served to the crew, are served by the Food Service Attendants in a fine dining atmosphere. They are also responsible for the maintenance and upkeep of the staterooms on the ship.  MSs on board the ship take great pride in their work, and strive for excellence as they provide fine gourmet cuisine to the ship's officers and crew.

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