Here’s Why The Northrop Grumman B-21 Raider Is Replacing The B-2 Spirit

The B-52 Stratofortress is not being replaced because it is a lumbering missile truck with plenty of flight hours remaining and is relatively affordable to operate. The US Air Force also has a need for such a high-capacity lumbering missile truck. However, the equation is fundamentally different with the B-2. The Northrop B-2 Spirit is a high-end stealth penetration bomber that needs to be at the cutting edge and be ahead of enemy air defense improvements.