Question: Who founded the military branch that Brian Chontosh served in?

full_context: Document 1: Jacob Zeilin: Jacob Zeilin (July 16, 1806 – November 18, 1880) was the United States Marine Corps' first non-brevet flag officer. He served as the seventh commandant of the United States Marine Corps, from 1864 to 1876.
Document 2: United States Marine Corps: After the war, the Marine Corps fell into a malaise that ended with the appointment of Archibald Henderson as its fifth Commandant in 1820. Under his tenure, the Corps took on expeditionary duties in the Caribbean, the Gulf of Mexico, Key West, West Africa, the Falkland Islands, and Sumatra. Commandant Henderson is credited with thwarting President Jackson's attempts to combine and integrate the Marine Corps with the Army. Instead, Congress passed the Act for the Better Organization of the Marine Corps in 1834, stipulating that the Corps was part of the Department of the Navy as a sister service to the Navy. This would be the first of many times that the independent existence of the Corps was challenged.
Document 3: Brian Chontosh: Major Brian R. Chontosh (born 1974 in Rochester, New York) is a retired United States Marine Corps officer who was awarded the Navy Cross for his heroic actions during the 2003 Invasion of Iraq. At the time, he was a platoon leader for Weapons Company, 3rd Battalion, 5th Marines, 1st Marine Division.
Document 4: United States Marine Corps: The history of the Marine Corps began when two battalions of Continental Marines were formed on 10 November 1775 in Philadelphia as a service branch of infantry troops capable of fighting on both at sea and on shore. By the mid-20th century, the U.S. Marine Corps had become a major theorist of amphibious warfare, which were utilized in the Pacific theater of World War II. As of 2016, the USMC has around 182,000 active duty members and some 38,500 reserve Marines. It is the smallest U.S. military service within the DoD.
Document 5: Douglas M. Stone: Douglas M. Stone is a Major General, United States Marine Forces Reserve, Retired. He relinquished in 2008 the position of Deputy Commanding General, Detainee Operations, Multi-National Force-Iraq and Commander, Task Force 134, commanding all detention operations at Camp Cropper, Camp Bucca and Camp Ashraf. He was nominated for Lieutenant General and was to be head of Marine Forces Reserve and Marine Forces North.
Document 6: John Kerry: James Rassmann, a Green Beret advisor who was aboard Kerry's PCF-94, was knocked overboard when, according to witnesses and the documentation of the event, a mine or rocket exploded close to the boat. According to the documentation for the event, Kerry's arm was injured when he was thrown against a bulkhead during the explosion. PCF 94 returned to the scene and Kerry rescued Rassmann who was receiving sniper fire from the water. Kerry received the Bronze Star Medal with Combat "V" for "heroic achievement", for his actions during this incident; he also received his third Purple Heart.
Document 7: Chris Mandia: Chris Mandia is an American playwright, screenwriter, film director, and Iraq War veteran from San Pedro, California. He was a U.S. Marine infantryman and served two combat tours in Iraq, including the battle for Fallujah. Mandia has won numerous awards for his work and received a Jack Nicholson scholarship to attend the MFA program at the University of Southern California’s film school. In 2010, he received an Operation In Their Boots fellowship and “Get Some,” a film he authored, was a Cannes Film Festival selection. In 2012 he co-wrote the multimedia physical theatre piece, "Trajectories: Transformations" with Meron Langsner for Evet Arts. The piece was based on interviews with servicemen from the Iraq and Afghanistan wars and was performed in Boston and Chicago.
Document 8: Continental Army: On June 15, 1775, the Congress elected by unanimous vote George Washington as Commander - in - Chief, who accepted and served throughout the war without any compensation except for reimbursement of expenses.
Document 9: Jethro Sumner: Sumner was named the commanding officer of the 3rd North Carolina Regiment of the North Carolina Line, a formation of the Continental Army, in 1776, and served in both the Southern theater and Philadelphia campaign. He was one of five brigadier generals from North Carolina in the Continental Army, in which capacity he served between 1779 and 1783. He served with distinction in the battles of Stono Ferry and Eutaw Springs, but recurring bouts of poor health often forced him to play an administrative role, or to convalesce in North Carolina. Following a drastic reduction in the number of North Carolinians serving with the Continental Army, Sumner became a general in the state's militia but resigned in protest after the North Carolina Board of War awarded overall command of the militia to William Smallwood, a Continental Army general from Maryland. After the end of the war in 1783, Sumner helped to establish the North Carolina Chapter of the Society of the Cincinnati, and became its first president. He died in 1785 with extensive landholdings and 35 slaves.
Document 10: Charles Brown (Medal of Honor): Charles Brown (born 1849) was a U.S. Marine who received the United States' highest honor for bravery, the Medal of Honor. He was born in New York City, and enlisted in the Marine Corps from Hong Kong in June 1870, aboard the . His Medal of Honor was approved under General Order No. 169, dated 8 February 1872. There is no record of Brown having received his medal, as he deserted from the Marine Corps in October 1871, before the medal was approved.
Document 11: Hispanics in the United States Marine Corps: Hispanics in the United States Marine Corps, such as Private France Silva who during the Boxer Rebellion became the first Marine of the thirteen Marines of Hispanic descent to be awarded the Medal of Honor, and Private First Class Guy Gabaldon who is credited with capturing over 1,000 enemy soldiers and civilians during World War II, have distinguished themselves in combat. Hispanics have participated as members of the United States Marine Corps in the Boxer Rebellion, World War I, the American intervention in Latin America also known as the Banana Wars, World War II, the Korean War, the Vietnam War, the Gulf War and most recently in the military campaigns of Afghanistan and Iraq.
Document 12: Samuel Nicholas: Samuel Nicholas (1744 – 27 August 1790) was the first officer commissioned in the United States Continental Marines (predecessor to the United States Marine Corps) and by tradition is considered to be the first Commandant of the Marine Corps.
Document 13: Enrique Romero-Nieves: Private First Class Enrique Romero-Nieves born in Culebra, Puerto Rico, was a member of the United States Marine Corps who served in the Korean War. He was subsequently awarded the Navy Cross for heroism in battle.
Document 14: Trần Văn Bảy: Trần Văn Bảy was a Private First Class of the Army of the Republic of Vietnam who was awarded the Navy Cross for actions on February 19, 1967 during the Vietnam War. Bảy was one of only two South Vietnamese, and the only South Vietnamese Army member, to receive the Navy Cross during the Vietnam War (the other being Nguyễn Văn Kiệt).
Document 15: United States Armed Forces: The history of the U.S. Armed Forces dates to 14 June 1775, with the creation of the Continental Army, even before the Declaration of Independence marked the establishment of the United States. Continental Navy, established on 13 October 1775, and Continental Marines, established on 10 November 1775, were created in close succession afterwards by the Second Continental Congress in order to defend the new nation against the British Empire in the American Revolutionary War.
ground_truth: Samuel Nicholas
sub_queries: Brian Chontosh >> military branch Answer: United States Marine Corps
United States Marine Corps >> founded by Answer: Samuel Nicholas