Lockheed Blackbirds

About this title: - This new edition is completely rewritten, with updated and recently declassified information.
- More than 75 percent of the photos and drawings are new--many have never been seen in a book.
- Covers all variants-A-12, M-21, D-21, YF-12, and SR-71.
- Many of the detailed drawings included here were produced specifically for this book.

Note: This is a general synopsis. Each listing is described below.