What started as a commemoration of the Mercury Seven astronauts has grown ... the six surviving Mercury astronauts, Betty Grissom − the wife of Gus Grissom, and philanthropist Henri Landwirth." ...

We offer one-of-a-kind features such as John Glenn’s hard hat from Project Mercury ... Astronaut Trainees, find out why the astronauts hated the word “capsule”. Discover why Gus Grissom ...