sentences:  Workers involved in the clean-up program campaigned for compensation for radiation-related illnesses they experienced in the years after the accident.In 1960, the USAF Strategic Air Command (SAC) began Operation Chrome Dome, a Cold War airborne alert program devised by General Thomas S. Power to fly nuclear-armed Boeing B-52 Stratofortress bombers to the borders of the Soviet Union.The flights were scheduled to ensure that twelve bombers were aloft at all times.