tact, it was considered that the contact was a deep submergence submarine. d. (3) The eveluation of this contact is "PROBABLE." (1) At 1320 Mike on 3 March 1948, a FBM visually sighted submarine at position bearing 220°T, 20 miles from the center of atoll. When contact was made, submarine was 1 mile distance fran plane; plane was at 1500 feet, submarine on course 270°T, speed 5 knots, and was running awash using snorkel; when sighted, submerine dived ‘to keep submergence. (2) The pilot of the plane was later interviewed and stated that the plane, at 200 feet altitude, passed over the submarine and the pilot saw the snorkel and periscope above water and that the outline of the hull of the submarine and the water swirl and turbulence caused by the dive could be clearly seen. (3) Two surface vessels searched the area without picking up any sonar contact. (4) The evaluation of this contact is "ACTUAL SUBMARINE." (1) At 210] Mike, 17 March 1948, LSM 250 reported a radar’ contact of about two minutes duration; bearing of contact was O90°T, distance 6 miles from DEEP ENTRANCE. ORLECK proceeded to scene, arriving about 40 minutes later, but was unable to pick up contact by radar or by sonar search. 61 Section VII

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