lockheed skunk works - Robuta Search

https://www.bookrags.com/studyguide-skunk-works/chapanal015.html

Skunk Works: A Personal Memoir of My Years at Lockheed by Ben Rich - Chapter 15, The Two-Billion-Dollar Bomber summary and analysis.

https://www.twz.com/18211/exclusive-lockheed-skunk-works-x-44a-flying-wing-drone-revealed

The aircraft is a missing link in a lineage of shadowy unmanned flying-wing drones built by the legendary Skunk Works.