It was one of the heaviest bombardments in history. A shock-and-awe campaign of overwhelming air power aimed at bombing into submission a determined opponent that, despite being vastly outgunned, had withstood everything the world’s most formidable war machine could throw at it.

(SOURCE) https://www.cnn.com/2022/12/17/asia/operation-linebacker-ii-50th-anniversary-intl-hnk-ml-dst/index.html