> This is in contrast to the SLS and it's predecessor the Constellation program (the SLS really being an evolution of the Ares I and V) that started in 2005 and

> This is in contrast to the SLS and it's predecessor the Constellation program (the SLS really being an evolution of the Ares I and V) that started in 2005 and, so far yielded a single successful test flight You forgot to include that this was also by an "all-American team".