SUNDAY IN HELL: PEARL HARBOR MINUTE BY MINUTE [....] The Sinking of the SS Cynthia Olson [....] The day before sending the SOS, the Cynthia Olson, captained by Merchant Marine Master Berthel Carlsen, was 300 miles off San Francisco, under way at 10 knots, when unknown to her crew, the Japanese submarine I-26, submerged at periscope depth and searching for potential targets, spotted and began tracking her. Commander Minoru Yokota, captain of the I-26, had been ordered to accompany I-10 in reconnoitering the Aleutians, then after 5 December, to deploy to a point between San Francisco and Hawaii to report...