Allen Thomson wrote:

Which does raise the question of why technology developed in a
somewhat long-ago failed program should still be classified.

From having gone round and round on this: each document to be
declassified needs to be read, completely understood and reviewed by
someone cognisant of the concepts and with an adequate security
clearance. Such people are relatively few, and the effort takes time and
money.

--
Scott Lowther, Engineer

"Any statement by Edward Wright that starts with 'You seem to think
that...' is wrong. Always. It's a law of Usenet, like Godwin's."
- Jorge R. Frank, 11 Nov 2002