It was called carpet bombing of Hanoi and Haiphong by waves of American B-52 bombers.
IT DID NOT WORK!
LBJ had to give up running for re-election when the American people turned against him.
Wars are not won with air-crafts. They are won with troops on the ground.
Barack Obama knows that. Only 32% of Americans approve of his handling of foreign policy, according to most polls.
He, like LBJ before him, is DOOMED!
Bombings by aircraft is not a strategy. It is only a "feel good" attitude.
www.telegraph.co.uk: Islamic State can’t be beaten without boots on the ground
"Mr Obama’s plan for defeating Isil is not a strategy: it is more a half-baked exercise in wishful thinking, where the White House hopes that simply by talking tough and dropping a few bombs, this pernicious threat to our security will simply fade away."