Which Country has unveiled new B-21 Raider nuclear

Solution

The US Air Force has unveiled its newest nuclear stealth bomber, the B-21. The first new bomber in 30 years could cost nearly $700m (£569m) each and can carry nuclear and conventional weapons. The first flight by a B-21 is expected to take place next year. It will eventually replace the B-1 and B-2 models and the fleet is estimated to cost $203bn (£165bn) to develop, buy and operate over 30 years. About US Capital: Washington, D.C.                   President: Joe Biden              Currency: US Dollar