Operation Linebacker II 1972The Linebacker II campaign of 1972 saw America's fearsome but irreplaceable B 52s finally sent into action above the Vietnamese capital, Hanoi, in an attempt to bomb the Vietnamese to the negotiating table. After the failed April 1972 invasion of South Vietnam and the heavy US tactical bombing raids in the Hanoi area, the North Vietnamese agreed to return to the Paris peace talks, yet very quickly these negotiations stalled. In an attempt to end the