img

Sources

https://www.popularmechanics.com/military/aviation/a19133400/b-21-stealth-bomber-testing-edwards-afb/?src=nl&mag=pop&list=nl_pnl_news&date=030718

https://www.ebay.co.uk/itm/B-21-Raider-Stealth-Bomber-Combined-Test-Force-Patch/202269436200?hash=item2f1832a928:g:whwAAOSwgc1arpa2

http://www.thedrive.com/the-war-zone/14919/the-b-21s-three-decade-old-shape-hints-at-new-high-altitude-capabilities