Do the names on this list coincide with your list of Crew Members?
http://roadrunnersinternationale.com...t_bshield.html
http://www.sr71.us/pg006.htm
A bit about the USAF "Pony Express" Squadron and the "Black Mariah".
http://usafhpa.org/specialinterest/b...iah/mariah.htm
https://en.wikipedia.org/wiki/Operation_Pony_Express
The painting of the one aircraft in flat black paint was supposed to have been a trial to see if that would be of benefit for night covert operations....but night ops were cancelled due to the hazards such flight in those days presented (as reported by the first linked article).
One Man's opinion here....but the saying about the empty drum and level of noise springs to mind.