Question: Which American Oregon Army National Guardsman specialist, along with Spencer Stone and Anthony Sadle stopped a gunman on a Paris-bound train travelling from Amsterdam via Brussels in August 2015?

Context paragraphs:
82nd Cavalry Regiment: The 82nd Cavalry Regiment is a parent regiment in the United States Army National Guard.  It is represented in the Oregon Army National Guard by the 1st Squadron, 82nd Cavalry, part of the 81st Stryker Brigade Combat Team.

Stabbing of Spencer Stone: Spencer Stone, a-then United States Air Force senior airman, was stabbed on October 8, 2015, in downtown Sacramento, California.  Stone was stabbed by a 28-year-old California man, James Tran.  The event received considerable attention in the U.S., in part that Stone helped stop a gunman on a Paris-bound train traveling from Amsterdam via Brussels two months earlier in August 2015.

Gunston Street: Gunston Street is a weekly comic strip that is written and illustrated by Basil Zaviski.  The main character Phil, is based on Basil's father Phillip Zaviski, who served with Basil in the same National Guard Unit for over 7 years.  Although the main character is based on his father, the strips are that of Basil Zaviski's experiences.  The heavy leaning storyline of the main character "Phil" tends to focus on the life and times of your average Army National Guardsman and their daily struggles with deployments, family and combat.

Francis D. Vavala: General Francis D. Vavala is a retired Army National Guard officer who served as the Adjutant General of the State of Delaware.  He received the promotion in February 1999 after the retirement of Major General George Hastings.  In January 2017, Vavala was promoted to Lieutenant General.  In April 2017, Vavala was promoted to General in honor of 50 years of service.  He is the first Delaware National Guardsman to achieve four-star rank.

Shepherds of Helmand: Shepherds of Helmand is a war film directed by Gary Mortensen.  It was released on DVD in the U.S. on October 10, 2010 by Lucky Forward Films.  The documentary follows 17 men from the United States Army, Oregon Army National Guard who volunteered to train a kandak (battalion) of troops from the Afghan National Army.  It was the winner of the "Best Documentary" at the Queen's World Film Festival, winner of the "Golden Ace Award" at the Las Vegas Film Festival, and the winner of the "Military Channel Award" at the 2011 GI Film Festival.

Oregon Military Department: The Oregon Military Department is an agency of the government of the U.S. state of Oregon, which oversees the armed forces of the state of Oregon.  Under the authority and direction of the governor as commander-in-chief, the agency is responsible for planning, establishing, and enforcing rules and procedures governing the administration, supply, and training of the Oregon National Guard (consisting of the Oregon Army National Guard and the Oregon Air National Guard), when not in the active service of the United States.  The Department also maintains all state-owned or leased military facilities, including posts, camps, military reservations, and rifle ranges.

Alek Skarlatos: Aleksander Reed "Alek" Skarlatos ( born October 10, 1992) is an American Oregon Army National Guardsman specialist who, along with fellow Americans Spencer Stone and Anthony Sadler, a Briton and two Frenchmen, stopped a gunman on a Paris-bound train travelling from Amsterdam via Brussels in August 2015.  He has been awarded the United States Army Soldier's Medal from U.S. President Barack Obama, and has received France's highest decoration, the Legion of Honour, from French president François Hollande as well as the medal of Arras, France.  Skarlatos competed on season 21 of ABC's "Dancing with the Stars" with pro dancer Lindsay Arnold, and finished in third place.

Oregon Air National Guard: The Oregon Air National Guard (OR ANG) is the aerial militia of the U.S. state of Oregon.  Along with the Oregon Army National Guard, it is an element of the Oregon National Guard.

George G. Finch: Maj. Gen. George G. Finch became the Senior Leader of the US Air National Guard; (Chief of the Air Division National Guard Bureau) (1948-1950) In June 1953 it was reported that Gen. Mark W. Clark would retire and be replaced by Maj. Gen George G. Finch on the UN command delegation to the Korean armistice talks George G. Finch, born April 11, 1902 in Dade City, Florida, is considered one of the pioneers in United States aviation history.  He began his military career during World War 1, enlisting in the Aviation Section of the Army's Signal Corps in 1918.  He remained in the Reserve Corps after the war, and in 1926, became Commander, 27th Pursuit Squadron, 1st Pursuit Group.  In 1940, Georgia Governor Ed Rivers commissioned him to form the first flying unit of the Georgia Air National Guard.  The unit was mobilized into the U.S. Army in September, 1941, with Major Finch as commander.  After World War II, he was a leading critic of efforts to eliminate the air arm of the National Guard during peacetime.  General Finch gained the respect and admiration of Air National Guardsmen throughout the nation with his steadfast support and successful efforts to preserve the Air Guard.  He became the first Chief of the Air Force Division of the National Guard Bureau in 1948.  Under his leadership, the Air National Guard built to combat readiness and was among the first components called into service after the outbreak of the Korean War.  As a result of General Finch's vision and perseverance, 45,000 highly trained officers and airmen of 22 wings and 65 squadrons gave the Air Force the strength it needed in the early, critical phases of the Communist drive down the Korean peninsula.General Finch served as the senior Air Force member of the United Nations negotiating team at the peace talks at Panmunjom, Korea, and received the Legion of Merit for outstanding service in 1955; General Finch assumed command of Fourteenth Air Force, Robins AFB, Georgia, becoming the nation's first Air National Guardsman to head a numbered air force.  General Finch had a career of "firsts" including the US Army's first night landing with a single, five-million-candlepower floodlight in 1927.  He also established and endowed the General John P. McConnell Award at the United States Air Force Academy.  Considered by many as the father of the strong, independent Air National Guard existing today, General Finch retired in 1957.  No man has had greater impact on the Air Force Reserve and National Guard than has General George G. Finch.A graduate of the University of Georgia and a member of the Georgia Bar, General Finch was enshrined in the Georgia Aviation Hall of Fame May 18, 1996.

Spencer Stone: Spencer Stone ( born 1992) is an American author, television personality and former United States Air Force staff sergeant.  Stone, along with fellow Americans Alek Skarlatos and Anthony Sadler, a Briton and two Frenchmen, stopped a gunman on a Paris-bound train travelling from Amsterdam via Brussels in August 2015.  Gaining international fame, Stone was recognized by U.S. Ambassador to France Jane D. Hartley for "his actions in saving countless lives" and by U.S. President Barack Obama, with a ceremony held at The Pentagon to honor Stone, Skarlatos and Sadler.  He was awarded the Airman's Medal and a Purple Heart.  French President Francois Hollande awarded Stone, as well his friends, the Legion of Honour, the highest French order for military and civil merits.  On October 8, 2015, Stone was stabbed by a California man, James Tran, 28, during a fight in downtown Sacramento.  He suffered life-threatening injuries and was rushed to UC Davis Medical Center.  Stone recovered, and was released from the hospital on October 15.  He was promoted to senior airman in late October and then staff sergeant in November 2015.

Supporting paragraphs: Spencer Stone Alek Skarlatos
Answer: Aleksander Reed "Alek" Skarlatos