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“Yes the benefit was destroying the U.S. ship would prevent them from communicating with Egypt about the impending surprise attack.”
Some intelligence and military officials dispute Israel’s explanation.[77] Dean Rusk, U.S. Secretary of State at the time of the incident, wrote:
I was never satisfied with the Israeli explanation. Their sustained attack to disable and sink Liberty precluded an assault by accident or some trigger-happy local commander. Through diplomatic channels we refused to accept their explanations. I didn’t believe them then, and I don’t believe them to this day. The attack was outrageous.