>>910
こっちやぞ(*´ω`*)
一応原文をチェックしてから言おうね

But during development, something happened.
First, program officials began hinting the F-35 might be stealthier than the F-22; hard to believe, given its less-disciplined shape.
Then officials started referring to a material secret, a “conductive layer . . . where the magic happens.”
In May of 2010, Tom Burbage, then executive vice president for the F-35 program, disclosed the incorporation of “fiber mat” technology, describing it as the “biggest technical breakthrough we’ve had on this program.”