Park, near Grissom's hometown of Mitchell, Indiana, was dedicated in 1971, the tenth anniversary of his Mercury flight. The governor declared it a state holiday for the second year in a row. The Gus Grissom Stakes is a thoroughbred horse race run in Indiana each fall; originally held at Hoosier Park in Anderson, it was moved to Horseshoe Indianapolis in Shelbyville in 2014. Grissom Island is an artificial island off of Long Beach, California, created in 1966 for drilling oil (along with White, Chaffee and Freeman Islands). Virgil "Gus" Grissom Park opened in 1971 in Fullerton, California. His widow and son were invited to the dedication ceremony and planted the first large tree in the park. Grissom is named with his Apollo 1 crewmates on the Space Mirror Memorial, which was dedicated in 1991. His son, Gary Grissom, said, "When I was younger, I thought NASA would do something. It's a shame it has taken this long".Navi (Ivan spelled backwards), is a seldom-used nickname for the star Gamma Cassiopeiae. Grissom used this name, plus two others for White and Chaffee, on his Apollo 1 mission planning star charts as a joke, and the succeeding Apollo astronauts kept using the names as a memorial. Grissom crater is one of several located on the far side of the Moon named for Apollo astronauts. The name was created and used unofficially by the Apollo 8 astronauts and was adopted as the official name by the International Astronomical Union (IAU) in 1970. 2161 Grissom is a main belt asteroid that was discovered in 1963 and officially designated in 1981. The name references his launch date of July 21, 1961. Grissom Hill, one of the Apollo 1 Hills on Mars was named by NASA on January 27, 2004, the 37th anniversary of the Apollo 1 fire. Bunker Hill Air Force Base in Peru, Indiana, was renamed on May 12, 1968, to Grissom Air Force Base. During the dedication ceremony, his son said, "Of all the honors he won, none would please him more than this one today." In 1994, it was again renamed to Grissom Air Reserve Base following the USAF's realignment program. The three-letter identifier of the VHF Omni Directional Radio Range (VOR) located at Grissom Air Reserve Base is GUS. In 2000, classes of the United States Air Force Academy began selecting a Class Exemplar who embodies the type of person they strive