Which booster was used to send the 1st American into orbit?
John Glenn John Herschel Glenn Jr. (July 18, 1921 – December 8, 2016) was a United States Marine Corps aviator, engineer, astronaut, and United States Senator from Ohio. In 1962 he became the first American to orbit the Earth, circling it three times.
Terrier Orion The Terrier Orion sounding rocket is a combination of the Terrier booster rocket with the Orion rocket used as a second stage. This spin stabilized configuration is most often used by the Goddard Space Flight Center, who operate out of the Wallops Flight Facility for sounding rocket operations. The system supports payloads ranging from 200 to , and is capable of achieving altitudes as high as 200 km , but at least 80 km , depending on payload size.