November 28, 1941
(1) There are eight "B-17" planes at Midway and the altitude range of their anti-aircraft guns is (5,000 feet ?).
(2) Our observations at the Sand Island maneuvers are:-number of shots-12; interval of flight-13 seconds; interval between shots-2 minutes; direct hits-none.
(3) 12,000 men (mostly marines) are expected to reinforce the troops in Honolulu during December or January.
(4) There has usually been one cruiser in the waters about (15,000 feet?) south of Pearl Harbor and one or two destroyers at the entrance to the harbor.
ARMY 25928 JD-7212 Trans. 12-8-41 (7)
(EXHIBITS OF JOINT COMMITTEE , EXHIBIT NO. 2 JAPANESE MESSAGES CONCERNING MILITARY
INSTALLATIONS, SHIP MOVEMENTS, ETC.)