Those conditions shaped the careers of everyone who worked inside them, not just Mary Ross.

They shaped what could be said, what could be published, what could be attributed.

They created a category of significant American technical achievement that exists in the public record only partially and incompletely, because the full record was classified and some of it remains so.

Understanding Mary Ross’s career means understanding those conditions.

It means understanding that her work was embedded in an institutional context that was, by design, opaque to outside observation.

The opacity is not incidental to her story.