in the United States and culminates each year with the National Matches being held at Camp Perry, Ohio. Some countries have outlawed civilian shooting at human-silhouette targets; silhouette targets are not used in the National Match Course of Fire. Bullseye targets are used. High Power Rifle competition often is held at the same events as Service Rifle, such as the U.S. national championships each year at Camp Perry. High Power competitors generally are civilians using whatever rifles they prefer within the rules, whereas Service Rifle entrants are limited to current or previous U.S. armed forces weapons. Although according to NRA rules only certain matches allow optical sights, normally those conducted at ranges over 600 yards. Project Appleseed is a rifle marksmanship program by The Revolutionary War Veterans Association that teaches both rifle marksmanship and oral history regarding the American Revolutionary War. It shoots 3-position (standing, sitting, and prone) at 25 meters at reduced scale targets, simulating shooting at 100, 200, 300, and 400 yards. The techniques taught easily apply to transitioning to High Power Rifle. Full bore and small bore rifle shooting in the United Kingdom. Three position airgun competitions, popular in the United States. Four position small bore is a popular sport in the U.S, which adds Sitting to the Three positions used internationally. Field shooting Field-Shooting or Terrain-Shooting refer to a set of pistol and rifle shooting disciplines that usually are shot from temporary shooting ranges in outdoor terrain at varying (and sometimes unknown) distances, rather than at permanent shooting ranges at fixed distances. Field shooting with handguns Nordic Handgun Field-Shooting competitions are shot with pistol and revolver in different classes depending on equipment, with classes up from small-bore .22 LR to large-bore .500 S&W Magnum. Matches are held outdoor throughout the year with varied shooting targets and distances, and are arranged by the Norwegian Shooting Association (NSF), the Danish Gymnastics and Sports Associations (DGI Shooting) and the Swedish Pistol Shooting Association (SPSF). Swiss field shooting with handguns is a discipline under the Swiss Shooting Sport Federation arranged under a common Swiss ruleset, and has been part of the annual field shooting championship since 1919 alongside field shooting with rifles, which have been arranged since 1899. Field shooting with rifles Nordic Rifle Field-Shooting are shot with either small-bore .22 LR cartridge at 100 meters, or intermediate (such as .223 Remington or 6mm BR) or battle rifle cartridges (such