Translation of "Paces" in Spanish

Schirra and his crew put the Apollo spacecraft through its paces for the first time.

Schirra y su tripulación pusieron a prueba la nave espacial Apollo por primera vez.

Courtyard: “I'll have ten shots at you  with a musket at 30 paces”, he told him,  

patio: “Te haré diez tiros con un mosquete a 30 pasos”, le dijo: