NASA will fly the biggest rocket ever by November, 2018.
http://www.space.com/26964-nasa-mega-rocket-2018-sls-test-launch.html?
400 feet high. The first test flight will take an Orion capsule out of low Earth orbit. $7 billion spent on it between 2014 and 2018. Could carry men to asteroids or Mars.
I'd like to see that launch.