Cold War Files: All Units: Events: Operation Linebacker II Proves to be Most Intensive Bombing Campaign

Operation Linebacker II ends what had been the most intensive bombing campaign of the entire war with over 100,000 bombs dropped on Hanoi and Haiphong. Fifteen of the 121 B-52s participating were shot down by the North Vietnamese who fired 1200 SAMs. There were 1318 civilian deaths from the bombing, according to Hanoi.