Lieutenant junior grade is a junior

commissioned officer An officer is a person who holds a position of authority as a member of an armed force or uniformed service. Broadly speaking, "officer" means a commissioned officer, a non-commissioned officer, or a warrant officer. However, absent contex ...

rank Rank is the relative position, value, worth, complexity, power, importance, authority, level, etc. of a person or object within a ranking, such as: Level or position in a hierarchical organization * Academic rank * Diplomatic rank * Hierarchy * H ...

used in a number of navies.

United States

Lieutenant (junior grade), commonly abbreviated as LTJG or, historically, Lt. (j.g.) (as well as variants of both abbreviations), is a junior

of the

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

, the

United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, ...

, the

United States Public Health Service Commissioned Corps The United States Public Health Service Commissioned Corps (PHSCC), also referred to as the Commissioned Corps of the United States Public Health Service, is the federal uniformed service of the U.S. Public Health Service (PHS) and one of the ...

, and the

National Oceanic and Atmospheric Administration Commissioned Officer Corps The National Oceanic and Atmospheric Administration Commissioned Officer Corps, known informally as the NOAA Corps, is one of eight federal uniformed services of the United States, and operates under the National Oceanic and Atmospheric Administ ...

(NOAA Corps). LTJG has a US military pay grade of O-2,10 USC 5501
Navy: grades above chief warrant officer, W–5
Pay grades: assignment to; general rules and a NATO rank code of OF-1. The rank is also used in the

United States Maritime Service The United States Maritime Service (USMS) was established in 1938 under the provisions of the Merchant Marine Act of 1936 as voluntary training organization to train individuals to become officers and crewmembers on merchant ships that form the U ...

. The NOAA Corps's predecessors, the United States Coast and Geodetic Survey Corps (1917–1965) and the Environmental Science Services Administration Corps or ESSA Corps (1965–1970), also used the rank. Lieutenant, junior grade, ranks above

ensign An ensign is the national flag flown on a vessel to indicate nationality. The ensign is the largest flag, generally flown at the stern (rear) of the ship while in port. The naval ensign (also known as war ensign), used on warships, may be differ ...

and below

lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a commissioned officer rank in the armed forces of many nations. The meaning of lieutenant differs in different militaries (see comparative military ranks), but it is often sub ...

and is equivalent to a

first lieutenant First lieutenant is a commissioned officer military rank in many armed forces; in some forces, it is an appointment. The rank of lieutenant has different meanings in different military formations, but in most forces it is sub-divided into a ...

in the other

uniformed services Uniformed services is an abstract term that are generally bodies of people in employment of a state who wear a distinct uniform that differentiates them from the public and private sector. Their purpose is to maintain the peace, security, safety, ...

(the

Army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

Marine Corps Marines, or naval infantry, are typically a military force trained to operate in littoral zones in support of naval operations. Historically, tasks undertaken by marines have included helping maintain discipline and order aboard the ship (refle ...

Air Force An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an ...

, and

Space Force A space force is a military branch of a nation's armed forces that conducts military operations in outer space and space warfare. The world's first space force was the Russian Space Forces, established in 1992 as an independent military service ...

) and

sub-lieutenant Sub-lieutenant is usually a junior officer rank, used in armies, navies and air forces. In most armies, sub-lieutenant is the lowest officer rank. However, in Brazil, it is the highest non-commissioned rank, and in Spain, it is the second hig ...

in the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...

and the navies of many

Commonwealth countries The Commonwealth of Nations is a voluntary association of 56 sovereign states. Most of them were British colonies or dependencies of those colonies. No one government in the Commonwealth exercises power over the others, as is the case in a ...

. Promotion to LTJG is governed by Department of Defense policies derived from the

Defense Officer Personnel Management Act The Defense Officer Personnel Management Act (DOPMA) () is a United States federal law passed in 1980 that for the first time standardized officer personnel management across the United States Armed Forces. It established ceilings on the number of ...

of 1980. DOPMA guidelines suggest all "fully qualified" ensigns should be promoted to LTJG. The time for promotion to LTJG is a minimum of two years after commissioning in the Navy or 18 months in the Coast Guard. Lieutenants, junior grade typically lead

petty officer A petty officer (PO) is a non-commissioned officer in many navies and is given the NATO rank denotation OR-5 or OR-6. In many nations, they are typically equal to a sergeant in comparison to other military branches. Often they may be superio ...

s and non-rated personnel, unless assigned to small aircraft or on staff duty. A LTJG's usual shipboard billet is as a division officer. Lieutenant, junior grade is often referred to colloquially as JG. Prior to March 3, 1883, this rank was known in the U.S. Navy as master.

Notable LTJGs

Neil Armstrong Neil Alden Armstrong (August 5, 1930 – August 25, 2012) was an American astronaut and aeronautical engineer who became the first person to walk on the Moon in 1969. He was also a naval aviator, test pilot, and university professor. ...

, Korean War

naval aviator Naval aviation is the application of military air power by navies, whether from warships that embark aircraft, or land bases. Naval aviation is typically projected to a position nearer the target by way of an aircraft carrier. Carrier-base ...

and as an

astronaut An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a human spaceflight program to serve as a commander or crew member aboard a spacecraft. Although generally r ...

, Commander of

Apollo 11 Apollo 11 (July 16–24, 1969) was the American spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin landed the Apollo Lunar Module ''Eagle'' on July 20, 1969, at 20:17 UTC, and ...

Paul Brown Paul Eugene Brown (September 7, 1908 – August 5, 1991) was an American football coach and executive in the All-America Football Conference (AAFC) and National Football League (NFL). Brown was both the co-founder and first coach of the Clevel ...

, high school, college, and pro American football coach *

George H. W. Bush George Herbert Walker BushSince around 2000, he has been usually called George H. W. Bush, Bush Senior, Bush 41 or Bush the Elder to distinguish him from his eldest son, George W. Bush, who served as the 43rd president from 2001 to 2009; p ...

, World War II naval aviator and 41st

President of the United States The president of the United States (POTUS) is the head of state and head of government of the United States of America. The president directs the executive branch of the federal government and is the commander-in-chief of the United St ...

* Albert David, only Atlantic Fleet sailor awarded the

Medal of Honor The Medal of Honor (MOH) is the United States Armed Forces' highest military decoration and is awarded to recognize American soldiers, sailors, marines, airmen, guardians and coast guardsmen who have distinguished themselves by acts of valor ...

in World War II *

Kirk Douglas Kirk Douglas (born Issur Danielovitch; December 9, 1916 – February 5, 2020) was an American actor and filmmaker. After an impoverished childhood, he made his film debut in '' The Strange Love of Martha Ivers'' (1946) with Barbara Stanwyck. Do ...

, American actor *

Henry Fonda Henry Jaynes Fonda (May 16, 1905 – August 12, 1982) was an American actor. He had a career that spanned five decades on Broadway theatre, Broadway and in Hollywood. He cultivated an everyman screen image in several films considered to be class ...

, American film and stage actor *

L. Ron Hubbard Lafayette Ronald Hubbard (March 13, 1911 – January 24, 1986) was an American author, primarily of science fiction and fantasy stories, who is best known for having founded the Church of Scientology. In 1950, Hubbard authored '' Dianetic ...

, science fiction writer and founder of

Scientology Scientology is a set of beliefs and practices invented by American author L. Ron Hubbard, and an associated movement. It has been variously defined as a cult, a Scientology as a business, business, or a new religious movement. The most recent ...

* John F. Kennedy,

commanding officer The commanding officer (CO) or sometimes, if the incumbent is a general officer, commanding general (CG), is the officer in command of a military unit. The commanding officer has ultimate authority over the unit, and is usually given wide latitud ...

motor torpedo boat PT-109 ''PT-109'' was an 80' Elco PT boat (patrol torpedo boat) last commanded by Lieutenant (junior grade) John F. Kennedy, future United States president, in the Solomon Islands campaign of the Pacific theater during World War II. Kennedy's ...

and 35th

Bob Kerrey Joseph Robert Kerrey (born August 27, 1943) is an American politician who served as the 35th Governor of Nebraska from 1983 to 1987 and as a United States Senator from Nebraska from 1989 to 2001. Before entering politics, he served in the Vietna ...

Navy SEAL The United States Navy Sea, Air, and Land (SEAL) Teams, commonly known as Navy SEALs, are the U.S. Navy's primary special operations force and a component of the Naval Special Warfare Command. Among the SEALs' main functions are conducting ...

Medal of Honor recipient and U.S. Senator *

Harvey Milk Harvey Bernard Milk (May 22, 1930 – November 27, 1978) was an American politician and the first openly gay man to be elected to public office in California, as a member of the San Francisco Board of Supervisors. Milk was born and raised in N ...

, gay rights activist and member of the

San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...

Board of Supervisors *

Thomas R. Norris Thomas Rolland Norris (born January 14, 1944) is a retired United States Navy SEAL and Distinguished Eagle Scout who received the Medal of Honor for his ground rescue with the assistance of Petty Officer Third Class Nguyen Van Kiet of two downed ...

, Navy SEAL and Medal of Honor recipient *

David Robinson David Maurice Robinson (born August 6, 1965) is an American former professional basketball player who played for the San Antonio Spurs in the National Basketball Association (NBA) from 1989 to 2003, and minority owner of the Spurs. Nicknamed ...

, U.S. Naval Academy (Class of 1987) and

National Basketball Association The National Basketball Association (NBA) is a professional basketball league in North America. The league is composed of 30 teams (29 in the United States and 1 in Canada) and is one of the major professional sports leagues in the United ...

(NBA)

Hall of Fame A hall, wall, or walk of fame is a list of individuals, achievements, or other entities, usually chosen by a group of electors, to mark their excellence or fame in their field. In some cases, these halls of fame consist of actual halls or muse ...

player *

Potter Stewart Potter Stewart (January 23, 1915 – December 7, 1985) was an American lawyer and judge who served as an Associate Justice of the United States Supreme Court from 1958 to 1981. During his tenure, he made major contributions to, among other areas, ...

, served in World War II as a member of the U.S. Naval Reserve aboard oil tankers,

Associate Justice of the United States Supreme Court An associate justice of the Supreme Court of the United States is any member of the Supreme Court of the United States other than the chief justice of the United States. The number of associate justices is eight, as set by the Judiciary Act of ...

* Madeline Swegle, U.S. Navy's first black female tactical jet pilot * Malcolm Wilson, New York politician * Francis Bellotti, Former

Massachusetts Attorney General The Massachusetts Attorney General is an elected constitutionally defined executive officer of the Massachusetts Government. The officeholder is the chief lawyer and law enforcement officer of the Commonwealth of Massachusetts. The officeholder a ...

who served in World War II *

Brian Lamb Brian Patrick Lamb (; born October 9, 1941) is an American journalist. He is the founder, executive chairman, and the now-retired CEO of C-SPAN, an American cable network that provides coverage of the U.S. House of Representatives and U.S. Sena ...

, Founder of C-SPAN

Gallery

File:Generic-Navy-3.svg, Lieutenant (junior grade)
( Antigua and Barbuda Coast Guard) File:Belize_Coast_Guard_OF-1b.svg, Lieutenant (junior grade)
(

Belize Coast Guard The Belize Coast Guard (until 2016, the Belize National Coast Guard Service) is the maritime security, search and rescue, and the maritime and law enforcement service branch of Belize. The new service began operations with seven impounded Eduar ...

) File:Generic-Navy-3.svg,

( Ethiopian Navy) File:Generic-Navy-3.svg, Lieutenant (junior grade)
( Gambian Navy) File:Generic-Navy-3.svg, Lieutenant (junior grade)
( Guyana Coast Guard) File:Generic-Navy-(star)-O2.svg, Lieutenant (junior grade)
( Liberian National Coast Guard) File:Generic-Navy-3.svg, Lieutenant (junior grade)
( Jamaican Coast Guard) File:Generic-Navy-3.svg, Lieutenant junior grade
(

Namibian Navy The Namibian Navy is the maritime warfare branch of the Namibian Defence Force. History Development of Namibia's navy has been slow, and the force was only formally established on 11 September 1998 as a maritime wing and in 2004 as a fully f ...

) File:PN LTJG BlkDr-Slv.svg, Lieutenant (junior grade)
(

Philippine Navy The Philippine Navy (PN) ( tgl, Hukbong Dagat ng Pilipinas, , Sea Army of the Philippines) ( es, Armada de Filipinas, , Ejército del Mar de las Filipinas) is the naval warfare service branch of the Armed Forces of the Philippines. It has an es ...

) File:Generic-Navy-3.svg, Lieutenant (junior grade)
( Sierra Leone Navy) File:US Navy O2 insignia.svg, Lieutenant (junior grade)
(

) File:USCG O-2 insignia.svg, Lieutenant (junior grade)
(

)

References

{{US officer ranks Military ranks of the United States Navy Military ranks of the United States Coast Guard Naval ranks

United States

Notable LTJGs

Gallery

See also

References