Analysis of information sources in references of the Wikipedia article "นอร์ทธรอปกรัมแมน บี-21 ไรเดอร์" in Thai language version.
B-21s would initially replace the fleets of B-1 and B-2 bombers, and could possibly replace B-52s in the future.
The stealth B-21, the first new U.S. bomber of the 21st century, is part of an effort to replace the Air Force's aging B-52 and B-1 bombers, though it is not slated to be ready for combat use before 2025.
B-21s would initially replace the fleets of B-1 and B-2 bombers, and could possibly replace B-52s in the future.
