The National Association of Rocketry (NAR) is the governing body for the sport/hobby of model rocketry in the United States of America. It was established in 1957 by Orville Carlisle and G. Harry Stine. It is the oldest and largest model rocketry governing body in the world with over 80,000 members. The organization hosts a variety of educational programs and model rocketry contests. There are three national NAR events each year: NARAM (the national contest culminating the rocket contest year), NARCON (the national convention, with speakers and educational programs) and NSL (National Sport Launch, a large fun launch). The NAR also provides insurance for the sport of model rocketry, and maintains a high power rocketry certification program. A model rocket. ... 1957 was a common year starting on Tuesday of the Gregorian calendar. ... Orville Carlisle invented the hobby that would become known as model rocketry. ... G. Harry Stine is the author of the authoritative text Handbook of Model Rocketry and is past president of the National Association of Rocketry. ...