It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Thank you.
Some features of ATS will be disabled while you continue to use an ad-blocker.
I like the lawnmower sized UAV delivering fedex packages.
From the Popular Science link
2017: Blended-wing-body (BWB) aircraft have been on drawing boards for decades, but the flying-wing variations that actually flew were too unstable. The B-2 bomber proved the design is feasible with the help of computer control.