In early 2001 , DPT expanded .
In early 2001 , DPT became the NASA Exploration Team ( NExT ) , which also reported directly to the agency 's most senior leadership and was led by Mr. Gary Martin .
In early 2001 , DPT expanded and became the NASA Exploration Team ( NExT ) , which also reported directly to the agency 's most senior leadership and was led by Mr. Gary Martin .