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Newer methods of IR or thermal signature reduction are connected to engine and exhaust placement. Internally configured engines, coupled with exhaust pipes on the top of an aircraft can massively lower the heat emissions from an aircraft, such as the structure of the current B-2 - the authors of the essay say.

The Air Force has completed a substantial technical “critical design review of its next-generation B-21 Raider bomber, an aircraft said by developers to mark a new “generation” in stealth technology able to elude the most advanced air defenses in the world.

(This first appeared several months ago.)

The review, described by Air Force officials as a key step prior to formal construction of the aircraft, will assess design specs, technology plans, computing power and weapons integration for the new bomber – a platform which service developers say will advance stealth technology itself to new, unprecedented dimensions of technological sophistication.

“The B-21 program has completed preliminary design review. The next step is critical design review. The Air Force remains confident in the B-21's progress and in delivering this new capability as planned in the mid-2020s,” senior Air Force public affairs director Anne Stefanek, told Warrior Maven.

Critical reviews of the emerging B-21 design are essential to engineering a platform able to accommodate the most advanced current and anticipated future stealth properties – which include stealth coating and configuration, radar cross section reduction and heat signature suppression technologies, among other things.

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Category: Science