Yes. A windshield that size is difficult to make, and could be a source of many quality issues, not to mention expensive. I've read that it is for visibility close to the vehicle. As you said, it will put a large heat load on the interior, and because of this, it should be made with advanced solar control materials to reduce the heat to the interior. That makes it even more expensive. This is another case of government over-specification. Does anyone know who made the prototype windshields? Or who won the contract for this glass?
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