Astronaut john glenn was the first american to
launch into space
walk on the moon
orbit the earth
do a spacewalk

orbit the earth

Explanation:

In 1962, with three orbits around the Earth, John Glenn is  the first American Astronaut to do so.

John Glen was selected in NASA in 1959. He flew Friendship 7 mission on 20th February, 1962. He was the first American to orbit the Earth. He took three rounds about the Earth.

Both will hit the ground at the same time

Explanation:

This was proven as no matter what gravity will force them to hit the ground at the same time in air