8 () posted 2 years ago by RightSideFunding 2 years ago by RightSideFunding +8 / -0 22 comments share 22 comments share save hide report block hide replies
That was not a problem from 1970s, when two supersonic passenger plane models was in commercial service to early 2000 when last Concord was dismissed. Also it was not a problem for military up to 2000s I think.