The B21 will funnel huge amounts of money to Northrop-Grumman and, in the event of a thermonuclear war... will arrive at the bubbling remains of targets several hours after the Navy’s D5 Trident II missiles get there.
The aircraft relies on the assumption that, in thirteen years when it enters service, anti-stealth technology will not have reached the point of making it even more obviously useless.
At a cost of $550 million each
...in 2010 dollars...