On the morning of July 21, 1961, Gus Grissom entered the Liberty Bell 7 at 8:58 UTC and the 70 hatch bolts were put in place.
Pada pagi hari tanggal 21 Juli 1961, Gus Grissom memasuki Liberty Bell 7 pada pukul 8:58 UTC dan 70 baut penetasan dipasang.