NJROTC 3 FINAL

Fleet Admiral

Highest rank in the Navy during wartime; identified by five silver stars.

Administrative Assistant

Handles official correspondence, records, paperwork, and administrative duties.

Chief Master-at-Arms

Senior security officer responsible for maintaining order, discipline, and ship security.

Command Master Chief

Senior enlisted advisor to the commanding officer representing enlisted personnel.

Command Career Counselor

Advises sailors on reenlistment, career opportunities, and professional development.

Helmsman

Steers the ship and maintains course under direction from bridge officers.

Lee-Helmsman

Controls the ship's engines and speed using engine order controls.

Lookout

Observes and reports hazards, ships, aircraft, or land to the bridge.

Messenger of the Watch

Carries messages and performs errands for watch officers.

Boat Crew

Operates and maintains small boats used for transport or emergencies.

Boatswain's Mate

Supervises deck crew operations, seamanship, and maintenance.

Boatswain's Mate of the Watch

Senior enlisted bridge watchstander supervising the helm and lookouts.

Quarterdeck Watch Team

Guards the ship's entrance and controls access while in port.

Admirals

Senior Navy officers who command fleets or major shore installations.

Damage Control Officer

Oversees firefighting, flooding control, and ship survivability.

Leading Petty Officer

Senior petty officer in a division responsible for daily tasks and junior sailors.

Damage Control Assistant

Assists with ship stability, emergency readiness, and damage control operations.

Sideboys

Crew members lined along the gangway to render honors to visiting officials.

OOD

Officer of the Deck

POOW

Petty Officer of the Watch

QMOW

Quartermaster of the Watch

BMOW

Boatswain's Mate of the Watch

JOOD

Junior Officer of the Deck

Underway Watch

Maintains safe ship operations while the ship is moving at sea.

In-Port Watch

Provides security and safety while the ship is docked or anchored.

Special Watch

Temporary watch assigned for special events or emergencies.

Water Fog

Fine spray of water droplets used to absorb heat and help extinguish fires.

Water Mist

High-pressure water droplet system used to cool fires with minimal water damage.

Low velocity fog

A fire hose nozzle setting that produces a fine mist used for heat protection and extinguishing fires.

Low velocity mist

A specific water pattern designed to combat shipboard fires and protect response personnel.

Internal communication

The 1MC general announcing system used to transmit orders and information throughout the ship.

External communication

The use of radio equipment to transmit information and coordinate between different ships.

Fire Types

The four categorizations of fire based on the specific material that is burning.

Fire Fuel

The combustible material that provides the core energy source for a fire to burn.

Fire Class

The classification of a fire by its fuel source, which determines the proper extinguishing agent to use.

Fire Boundary

Physical barriers, like bulkheads or decks, used to contain heat and smoke within a specific area.

Water extinguisher

An extinguishing agent used to cool and put out common combustible fires (Class A).

AFFF (Aqueous Film-Forming Foam)

A specialized foam used to smother liquid fuel fires (Class B) by cutting off oxygen.

PKP (Purple-K)

A dry chemical agent used to interrupt the chemical chain reaction of a fire, primarily for flammable liquids.

Chemical alarm

A series of steady long tones or a specific voice announcement indicating a CBR (Chemical, Biological, Radiological) threat.

Collision alarm

A high-pitched, pulsing staccato signal that warns the crew of an imminent impact.

Enemy attack alarm

A continuous, rapid ringing sound signaling immediate incoming hostile action.

Fire alarm

A rapid bell ringing followed by specific location strokes to pinpoint the hazard.

General alarm

A pulsating electronic tone used to summon the crew to their battle stations (General Quarters).

Distance along a meridian

A measurement where one minute of arc on a meridian equals exactly one nautical mile.

Chart measurement

The practice of measuring distance on a nautical chart using dividers against the latitude scale.

Fathom

A unit of water depth equal to 6 feet, historically measured manually or calculated via an echo sounder.

True north

The fixed geographic North Pole where all lines of longitude converge.

The Equator

The $0^ ext{circ}$ parallel line of latitude that divides the Earth into the Northern and Southern Hemispheres.

Magnetic north

The shifting geographic point toward which a compass needle aligns based on Earth's magnetic field.

International Date Line

The $180^ ext{circ}$ meridian in the Pacific where the calendar day transitions by 24 hours.

Relative bearing

A direction measured clockwise in degrees relative to the ship's bow ($000^ ext{circ}$).

Visual bearing

A line of sight toward a chartable landmark determined by physically sighting it with optical equipment.

GPS (Global Positioning System)

A space-based network of 24 operational satellites providing highly accurate, 3D positioning data worldwide.

Systematic Global Locator System

A reference to GNSS or naval vessel tracking networks used for global positioning.

Frequently Modulation System (FM)

A method of radio transmission that provides clearer audio by varying the signal frequency.

Good Fix

A highly reliable position plot formed on a chart by the intersection of three or more lines of position.

Gyroscopes

Mechanically spinning discs or electronic sensors that maintain a constant orientation to provide reliable heading data.

Fathometer

An electronic echo-sounder that measures water depth by transmitting sound pulses to the ocean floor.

Loran

A legacy long-range hyperbolic navigation system that calculated position using timed radio pulses.

Latitude

The angular distance measured in degrees north or south from the equator up to $90^ ext{circ}$.

Longitude

The angular distance measured east or west from the Prime Meridian up to $180^ ext{circ}$.

Range

An alignment of two landmarks or navigation aids observed in a single line to confirm a ship's position.

Running fix

A position determined by taking multiple lines of position from the same object at different times while moving.

Set and drift

'Set' is the direction of the current, while 'drift' is the speed of the current measured in knots.

North Pole

The geographic point at $90^ ext{circ} ext{N}$ latitude where the Earth's axis of rotation meets its surface.

Knot

A unit of speed equal to one nautical mile per hour, or roughly 2,000 yards per hour.

180 degrees

The longitude line marking the International Date Line, located directly opposite the Prime Meridian.

Arcs

The curved segments or lines that represent portions of a circle on a navigational plot or chart.

Meridians

Great circles running from pole to pole that represent lines of constant longitude.

Parallels

Circles on the Earth's surface that run parallel to the Equator, representing lines of constant latitude.

Rhumb lines

Navigation paths that cross all meridians at the same constant angle, appearing as straight lines on a Mercator chart.

Operations Department

The shipboard department that manages radar, sonar, sensors, and overall combat intelligence.

Ranks

Hierarchical designations that indicate the specific level of authority and responsibility for commissioned officers.

Rates

Paygrades and occupational specialties that indicate the level of authority and job role for enlisted personnel.

Warrant Officer 4

A highly specialized technical expert holding the senior chief warrant officer rank of W-4.

MCPON

The Master Chief Petty Officer of the Navy, who serves as the senior-most enlisted member and advisor in the Navy.

CICWO

The Combat Information Center Watch Officer, who manages the ship's tactical data, radar, and situational info.

Command Duty Officer (CDO)

The senior officer representing the Commanding Officer in their absence to oversee ship safety and port operations.

Proper etiquette for boarding a ship

Stop at the brow, face and salute the Ensign, turn and salute the OOD, show your ID card, and request permission to come aboard.