Complex sentence: In 1992, USA Shooting replaced the NRA as the national governing body for Olympic shooting, and in 2000, the NRA chose not to be a member of the National Three-Position Air Rifle Council.
Split into simpler sentences: In 1992, USA Shooting replaced the NRA as the National Governing Body for Olympic shooting. In 2000 the NRA withdrew as a member of the National Three-Position Air Rifle Council.