Проект бомбардировщика NGB фирмы «Нортроп Грумман»
Проект бомбардировщика LRS-B фирмы «Нортроп Грумман»
Предполагаемый вид бомбардировщика B-21
A computer-generated image of a Boeing proposal for the USAF's '2018 bomber'. General Moseley told AIR International that he envisages an aircraft that can carry a bomb load of 20,000lbs, fly at a speed of Mach 0.9to 1.0 and have a radius of action of about 2,500 miles.
The B-21 Raider effort will see the production of 100 bombers intended to recapitalise the United States Air Force's nuclear deterrent capability
Wikipedia