Northrop Grumman, the company that makes the American bomber B-21 Raider, has said that this bomber will start flying next year, i.e. in 2023. It will be demonstrated to the general public by the end of this year. Also, people will be told about it. There are some tests left for this, which will be completed soon. It is an upgraded version of the American bomber B-2.
The first B-21 Raider bomber has completed ground tests at Air Force Plant 42 in Palmdale, California. The most important in this was the Load Calibration Test. That is, passing through various pressure processes with all the equipment.

According to Defense News, all aircraft parts are checked in the Load Calibration Test. The strength and durability of its structure are seen. During this, he has to go through many types of pressure procedures. Northrop Grumman is currently making six such bombers and or testing them.
The company had announced in March this year itself that all the ground tests of this aircraft would start. Before the first flight, its engine tests will be done, and low and high-speed taxi tests will be done. The first official flight will be done at Edwards Air Force Base in California.

The US Air Force was planning to fly this bomber in December 2021. But by changing it, it was made the middle part of 2022. But still, some technical work remains to be done. Testing is pending. So this flight will now take place next year.
The US Air Force or Northrop Grumman has not disclosed much about its features. But it is a large long-range and intercontinental strategic stealth bomber. It can carry conventional or thermonuclear weapons. Its purpose is to spy, attack in war and intercept aircraft. The US Air Force Global Strike Command needs 100 B-21 Raider bombers.