Question: The namesake of Robbinsdale Armstrong High School served in what war?
Context: Travis John Richards (born March 22, 1970) is a former professional ice hockey defenseman.  Richards graduated from Robbinsdale Armstrong High School in Plymouth, Minnesota in 1988.  Richards was a member of the University of Minnesota Gophers hockey program before making his professional debut during the 1993-94 season.  A child psychology major, Richards would spend four years at the University of Minnesota where his brother Todd was a Gopher from 1985 to 1989.  Earning WCHA Second Team All-Star honors on defense in 1992 and in 1993, Richards would join the US National Team at the 1993 World Championships at the end of his senior year.  Drafted by the Minnesota North Stars of the National Hockey League in the ninth round (169th overall) of the 1988 NHL Entry Draft, Richards played only three games in the NHL for the Dallas Stars .  On July 26, 1996, Richards became the second player ever to sign with the Grand Rapids Griffins, then of the International Hockey League, now of the American Hockey League.  Richards played in each of the team's first ten seasons and became team captain in 2001.  He holds the record for most career games as a Griffin with 655.  Richards's number 24 was retired by the Griffins upon his retirement, becoming the first number retired by the club .  For a time he was the hockey director at The Edge Ice Arena in Holland, Michigan.  He resides in Grand Rapids, MI and has 2 daughters and one son, Ellie, Melissa and Riley. Evergreen High School is a public high school in the JEFFCO Public Schools district in Evergreen, Colorado, United States.  Until Conifer High School opened in 1996, the school served students in both Evergreen and Conifer.  Evergreen High School is known for being "a school of excellence" in its academic, athletic and extracurricular activities. Robbinsdale Armstrong High School (full name Robbinsdale Neil A. Armstrong Senior High School) (abbr.  AHS) is located in Plymouth, Minnesota, just outside Minneapolis.  The school serves students from the cities of Robbinsdale, Crystal, New Hope, Plymouth and Golden Valley. The Weslaco East High School (established 2000) is a school in Weslaco, Texas, USA.  It is the second high school to be established in Weslaco (after the Weslaco High School).  In the first year of the school, Weslaco East High School served only 9th and 10th grade students while Weslaco High School served 11th and 12th grade students. Pocono Mountain West High School is a large, rural high school located in Pocono Summit, Pennsylvania, in the Pocono region of Northeast Pennsylvania.  It is part of the Pocono Mountain School District and opened in 2002 to accommodate the growing population of the area.  Before 2002, all high school students in the district attended one school called Pocono Mountain High School.  Since 2002, students in the district have been assigned to Pocono Mountain West or Pocono Mountain East based on geography.  The school served 1,901 students in grades 9th through 12th, with 820 students qualifying for a federal free lunch due to family poverty.  It has 114 classroom teachers in 2013. Vista Murrieta High School (VMHS) is a comprehensive, four-year high school located in Murrieta, California.  It is operated by the Murrieta Valley Unified School District.  It opened in August 2003, relieving the overcrowding at Murrieta Valley High School, which had been the district's only comprehensive high school until that time.  During the 2016-2017 school year, the school served approximately 3,350 students.  The campus sits on 68 acre overlooking most of the City of Murrieta to the south. Eastern Intermediate High School was a public high school that served students in grades nine to ten from three communities in Camden County, New Jersey, United States, as part of the Eastern Camden County Regional High School District.  The school served students from Berlin Borough, Gibbsboro and Voorhees Township.  The high school was located in Voorhees Township.  In the past students that finished tenth grade moved on to Eastern High School, (now renamed Eastern Regional High School) for eleventh and twelfth grades.  The district was established in 1965, with 35 professional staff and 495 students, and Eastern Intermediate High School was completed in 1992. Victoria Stroman High School served as a high school for the Victoria Independent School District in Victoria, Texas, United States.  Stroman High School was open from 1967 to 2000, when it consolidated with Victoria High School to become Memorial High School.  Stroman high school is now Stroman Middle school due to the districts changes in 2010. J.C. Price High School, also known as the Joseph Charles Price High School, is a historic high school complex located at Salisbury, Rowan County, North Carolina.  The complex consists of four symmetrically positioned one-story brick buildings built between 1931 and 1957.  The original building was built in 1931-1932, and is an "H"-shaped, Colonial Revival style brick building.  The Rosenwald Fund supported the construction of the school with a building grant of $5,300.  A classroom building was built parallel to the original building in 1956-1957, a gymnasium was built in 1951, and cafeteria in 1956-1957.  J. C. Price High School was originally housed in the Monroe Street School.  The school served as Salisbury’s high school for African-American students from 1932 through the 1968-1969 school year. Neil Alden Armstrong (August 5, 1930 – August 25, 2012) was an American astronaut, engineer, and the first person to walk on the Moon.  He was also an aerospace engineer, naval aviator, test pilot, and university professor.  Before becoming an astronaut, Armstrong was an officer in the U.S. Navy and served in the Korean War.  After the war, he earned his bachelor's degree at Purdue University and served as a test pilot at the National Advisory Committee for Aeronautics (NACA) High-Speed Flight Station, where he logged over 900 flights.  He later completed graduate studies at the University of Southern California.
Answer: the Korean War