english: And so it wasn't a surprise that when astronauts first started the Mercury program, such as John Glenn orbiting the earth, that charts and maps that he was using were in Futura.
non_english: Het was ook geen verrassing dat toen astronauten begonnen met het Mercury-programma, zoals John Glenns baan om de aarde, de gebruikte tabellen en kaarten Futura bevatten.