Up-close tours mark 50th anniversary of Kennedy Space Center . The latest rare-access tour offers a look at one of the launchpads . NASA says it will launch its next manned mission to Mars in 2021 -- but not before sending astronauts on an unprecedented trip around our solar system.
Up-close tours mark 50th anniversary of Kennedy Space Center . The latest rare-access tour offers a look at one of the launchpads . The tours are expected to be offered through the end of the year .