Jeremiah A. Denton Jr., retired from the Navy as a rear admiral and a former US senator from Alabama.
He was also a war hero.
And:
The North Vietnamese, who lost face, were even more outraged when they learned that Commander Denton, in the Japanese-taped interview broadcast on American television on May 17, 1966, had blinked out “T-O-R-T-U-R-E.” It was the first confirmation that American prisoners of war were being subjected to atrocities during the Vietnam War.
The commander was beaten all night.