An update on NASA´s Astronomical Search for Origins program

NASA´s Astronomical Search for Origins has been progressing along a roadmap first established in 1996. Key features of that roadmap included technological and scientific stepping stones linking major missions. This paper provides an overview of the current roadmap version published in 2003, overall status of the program, and discusses top level evolution of the processes for linking these missions. Other speakers/panel members can present more details concerning these issues in this session.