John Glenn, a decorated astronaut and U.S. Senator, was the first American to orbit the Earth in 1962. Born in Ohio in 1921, Glenn served as a Marine Corps pilot in World War II and the Korean War before joining NASA's Mercury program. His historic space flight made him a national hero and paved the way for future space exploration. Glenn later served as a Senator for 25 years, advocating for space exploration and education. His legacy continues to inspire generations of Americans to reach for the stars. Learn more about John Glenn's incredible life and achievements here.