https://www.nasa.gov/wp-content/uploads/2024/12/2024-architecture-executive-overview.pdf
Authors. NASA
Venue. (the agency's own plan, cited against the framing)
How the Institute flags it
established 3 times frontier 1 time
This source carries more than one flag across the corpus. That is not an inconsistency to resolve: the same work can be established evidence for one claim and frontier evidence for another, and the flag belongs to the use rather than to the source.