Lieutenant junior grade is a junior commissioned officer rank 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 commissioned officer rank of the

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

, the

United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and Admiralty law, law enforcement military branch, service branch of the armed forces of the United States. It is one of the country's eight Uniformed services ...

, the

United States Public Health Service Commissioned Corps The United States Public Health Service Commissioned Corps (USPHSCC; also referred to as the Commissioned Corps of the United States Public Health Service) is the uniformed service branch of the United States Public Health Service and one of t ...

, and the National Oceanic and Atmospheric Administration Commissioned Officer Corps (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 ...

. 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 Ensign most often refers to: * Ensign (flag), a flag flown on a vessel to indicate nationality * Ensign (rank), a navy (and former army) officer rank Ensign or The Ensign may also refer to: Places * Ensign, Alberta, Alberta, Canada * Ensign, Ka ...

and below

lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a Junior officer, junior commissioned officer rank in the armed forces of many nations, as well as fire services, emergency medical services, Security agency, security services ...

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 se ...

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 foster the equality, security, saf ...

(the

Army An army, ground force or land force is an armed force that fights primarily on land. In the broadest sense, it is the land-based military branch, service branch or armed service of a nation or country. It may also include aviation assets by ...

, Marine Corps,

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 army aviati ...

, and Space Force) and sub-lieutenant in the

Royal Navy The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...

and the navies of many

Commonwealth countries The Commonwealth of Nations, often referred to as the British Commonwealth or simply the Commonwealth, is an international association of 56 member states, the vast majority of which are former territories of the British Empire from which i ...

. 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 o ...

(DOPMA) 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. Often they may be superior to a seaman, and subordinate to more senior non-commissioned officers, such as chief petty officers. Petty officers are usually sailors that have ...

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 A division officer (known as a divisional officer in the UK) commands a shipboard division of enlisted personnel, and is typically the lowest ranking officer in their administrative chain of command. Enlisted personnel aboard United States Nav ...

. 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 aerospace engineering, aeronautical engineer who, in 1969, became the Apollo 11#Lunar surface operations, first person to walk on the Moon. He was al ...

, Korean War naval aviator and

astronaut An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a List of human spaceflight programs, human spaceflight program to serve as a commander or crew member of a spa ...

, Commander of

Apollo 11 Apollo 11 was a spaceflight conducted from July 16 to 24, 1969, by the United States and launched by NASA. It marked the first time that humans Moon landing, landed on the Moon. Commander Neil Armstrong and Lunar Module pilot Buzz Aldrin l ...

* Francis Bellotti, former Massachusetts Attorney General, served in

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

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

, football coach and executive, spent WW2 as coach of Great Lakes Navy Bluejackets *

George H. W. Bush George Herbert Walker BushBefore the outcome of the 2000 United States presidential election, he was usually referred to simply as "George Bush" but became more commonly known as "George H. W. Bush", "Bush Senior," "Bush 41," and even "Bush th ...

, WW2 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. The president directs the Federal government of the United States#Executive branch, executive branch of the Federal government of t ...

Johnny Carson John William Carson (October 23, 1925 – January 23, 2005) was an American television host, comedian, and writer best known as the host of NBC's ''The Tonight Show Starring Johnny Carson'' (1962–1992). Carson is a cultural phenomenon and w ...

, host of ''

The Tonight Show ''The Tonight Show'' is an American late-night talk show that has been broadcast on NBC since 1954. The program has been hosted by six comedians: Steve Allen (1954–1957), Jack Paar (1957–1962), Johnny Carson (1962–1992), Jay Leno (1992–2 ...

'' for 30 years, served in WW2 * Albert David, only Atlantic Fleet sailor awarded the

Medal of Honor The Medal of Honor (MOH) is the United States Armed Forces' highest Awards and decorations of the United States Armed Forces, military decoration and is awarded to recognize American United States Army, soldiers, United States Navy, sailors, Un ...

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. ...

, American actor, served in WW2 * Henry Fonda, American film and stage actor, served in WW2 * L. Ron Hubbard, science fiction writer and founder of Scientology, served in WW2 * John F. Kennedy, WW2 PT boat CO and 35th

* Bob Kerrey,

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

Medal of Honor recipient and U.S. senator * Brian Lamb, founder of

C-SPAN Cable-Satellite Public Affairs Network (C-SPAN ) is an American Cable television in the United States, cable and Satellite television in the United States, satellite television network, created in 1979 by the cable television industry as a Non ...

, PAO during the

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

era. *

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 i ...

, gay rights activist and

San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...

Board Supervisor, served in

Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...

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

, Navy SEAL and Medal of Honor recipient * David Robinson, Naval Academy graduate, 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 Wiktionary:fame, fame in their field. In some cases, these halls of fame consist of actu ...

player *

Potter Stewart Potter Stewart (January 23, 1915 – December 7, 1985) was an American lawyer and judge who was an associate justice of the United States Supreme Court from 1958 to 1981. During his tenure, he made major contributions to criminal justice reform ...

, associate justice of the U.S. Supreme Court, served in WW2 * Madeline Swegle, Navy Pilot, the United States Navy’s first Black female tactical air pilot after 110 years of American Aviation. Madeline is the first known Black woman to be certified for the TACAIR mission, which enabled her to fly fighters like the F/A-18E/F Super Hornet, EA-18G Growler or F-35C Joint Strike Fighter. * Malcolm Wilson, New York politician, served in WW2 * William Sylvester White, Illinois Appellate Court justice, member of the Golden Thirteen

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

Philippine Navy The Philippine Navy (PN) () is the naval warfare service branch of the Armed Forces of the Philippines. It has an estimated strength of 24,500 active service personnel, including the 10,300-strong Philippine Marine Corps. It operates 91 combat ...

) File:Generic-Navy-3.svg, Lieutenant (junior grade)
( Sierra Leone Navy) File:Generic-Navy-(star v2)-O2.svg, Lieutenant (junior grade)
(

) File:US-CoastGuard-O2.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