Question: Richard Jason Satawk "R. J." Harris, is a United States Army National Guard warrant officer, politician, law student and former Air Traffic Controller, in 2010, he unsuccessfully challenged which incumbent Republican, for the Republican Party nomination in the primary election for Oklahoma's 4th congressional district?

Context paragraphs:
Mary Chance VanScyoc: Mary Chance VanScyoc (December 26, 1919 - February 9, 2011) was an air traffic controller in the United States.  She was one of the first, and often considered the very first civilian women to become an air traffic controller when she started in June of 1942.

Mike Huckleberry: Michael "Huck" Huckleberry (born July 12, 1948) is a politician, restaurateur, and small business owner from Greenville, Michigan.  In 2008, he was elected as a Democrat to the Michigan State House of Representatives.  He represented the 70th House District, which includes all of Montcalm County and a portion of North-west Ionia County including the city of Ionia.  In 2006 he unsuccessfully challenged incumbent Republican Congressman Dave Camp, who represents Michigan's 4th congressional district, located in central Michigan.  In 2010 he was defeated by Rick Outman, 55%-43%.

Tim Burns (businessman): Timothy Richard "Tim" Burns (born April 14, 1968) is a Pennsylvania businessman.  He ran as a Republican in the 2010 special election to represent Western Pennsylvania's 12th congressional district in the U.S. House of Representatives.  Burns won the party nomination but lost the November general election to Democratic incumbent Mark Critz.  From mid-October 2011 until ending his campaign in early February 2012, Burns was a candidate for the Republican nomination for United States Senate to challenge incumbent Senator Bob Casey, Jr. in the 2012 election.

Ohio National Guard: The Ohio National Guard comprises the Ohio Army National Guard and the Ohio Air National Guard.  The commander-in-chief of the Ohio Army National Guard is the governor of the state of Ohio.  If the Ohio Army National Guard is called to federal service, then the commander-in-chief becomes the President of the United States.  The military commander of all forces in the State of Ohio is the Adjutant General, Major General Deborah A. Ashenhurst (the first woman to hold this position) is responsible for the command of 17,000 members, preparedness and readiness, installation management, and budget of the Ohio National Guard.  The current Assistant Adjutant General for Army, with responsibility for overseeing the Ohio Army National Guard training and operations, is Major General John C. Harris Jr. The current Assistant Adjutant General for Air is Brigadier General Stephen E Markovich, with responsibility for overseeing the Ohio Air National Guard.

Maine Army National Guard: The Maine Army National Guard is a component of the United States Army and the United States National Guard.  Nationwide, the Army National Guard comprises approximately one half of the US Army's available combat forces and approximately one third of its support organization.  National coordination of various state National Guard units are maintained through the National Guard Bureau.  The Guard is administered by the adjutant general, an appointee of the governor of Maine.  The Constitution of the United States specifically charges the National Guard with dual federal and state missions.  Those functions range from limited actions during non-emergency situations to full scale law enforcement of martial law when local law enforcement officials can no longer maintain civil control.

Vice Chief of the National Guard Bureau: The Vice Chief of the National Guard Bureau (VCNGB) is the second highest-ranking officer of the National Guard Bureau, which is a joint activity of the United States Department of Defense.  The Vice Chief of the National Guard Bureau is the second in charge of the National Guard of the United States; which is a joint reserve component of the United States Army and the United States Air Force.  The VCNGB serves as the principal advisor to the Chief of the National Guard Bureau and the Secretary of Defense, through the Chairman of the Joint Chiefs of Staff, on matters involving non-federalized National Guard forces and on other matters as determined by the United States Secretary of Defense.  The VCNGB also serves as the principal adviser to the Secretary of the Army, Secretary of the Air Force, the Chief of Staff of the Army, and the Chief of Staff of the Air Force, on matters relating to federalized forces of the National Guard of the United States and its subcomponents; the Army National Guard of the United States, and the Air National Guard of the United States.

R. J. Harris: Richard Jason Satawk "R. J." Harris (born November 16, 1972) is a United States Army National Guard warrant officer, politician, law student and former Air Traffic Controller.  He was a candidate for the Libertarian Party's 2012 nomination for President of the United States.  In 2010, he unsuccessfully challenged incumbent Tom Cole for the Republican Party nomination in the primary election for Oklahoma's 4th congressional district.  He ran as an independent candidate for the same congressional seat in 2012.

Tom Cole: Thomas Jeffery Cole (born April 28, 1949) is the U.S. Representative for Oklahoma 's 4 congressional district , serving since 2003.  He is a member of the Republican Party.  He is a Deputy Majority Whip.  The chairman of the National Republican Congressional Committee (NRCC) from 2006 to 2008, he was, during his tenure, the fourth-ranking Republican leader in the House.  As of 2015, Cole – a member of the Chickasaw Nation – is one of only two registered Native Americans in Congress (the other being fellow Oklahoman Markwayne Mullin).

Army Staff Senior Warrant Officer: The Army Staff Senior Warrant Officer (ARSTAF SWO) provides the Chief of Staff of the United States Army (CSA) with subject matter expertise on warrant officer training and development, to include proper balance of training, education and professional experience for warrant officers.  Additionally, the ARSTAF SWO communicates with commanders and warrant officers throughout the United States Army to ensure their concerns and recommendations are considered in decisions that will impact the future of the warrant officer corps.

Kansas Army National Guard: The Kansas Army National Guard is a component of the Army National Guard and the Kansas National Guard.  Kansas Army National Guard units are trained and equipped as part of the United States Army.  The same ranks and insignia are used and National Guardsmen are eligible to receive all United States military awards.  The Kansas Guard also bestows a number of state awards for local services rendered in or to the state of Kansas.  It is, along with the Kansas Air National Guard, an element of the Kansas National Guard.

Supporting paragraphs: R. J. Harris Tom Cole
Answer: Thomas Jeffery Cole