Blackbird Diaries
Russ Hamerly just retired from Boeing Aerospace last December. He sent me this Blackbird Diary scanned onto a PDF file
Blackbird Diaries
(http://thumbs.media.smithsonianmag.com//filer/5d/96/5d966931-fa45-4c5d-a0ec-defd11fc5fdb/03v_dj2015_newopener_pd031-065_live.jpg__600x0_q85_upscale.jpg)
http://www.thelivingmoon.com/41pegasus/13PDF_Files/Blackbird_Diaries.pdf