March yourself to Barreira do Inferno Launch Center, tour the facility and try to imagine what being a member of the armed forces feels like.
You'll have no end of sightseeing choices when staying in Ponta Negra. Barreira do Inferno Launch Center is an ideal place to kick off here, but there are numerous other worthy sights to discover. Dunas Arena, Ponta Negra Beach, and Morro do Careca are close to the military installation and will fill in your day nicely.