STS-95 was a NASA space shuttle mission that marked the return to space of John Glenn, the first American to orbit the Earth.
Mercury-Atlas 9 Explained
Mercury-Atlas 9 was the final manned space mission of NASA’s Mercury program, successfully orbiting the Earth and making John Glenn the first American to orbit the planet.
STS-121 Explained
STS-121 was a NASA space shuttle mission that aimed to test safety improvements following the Columbia disaster.