Communication Intelligence Summary, 19
General.-Traffic volume normal. Traffic from Fourth Fleet and Mandates was noticeably less than usual. Traffic on
the northern circuits also very light.
Some tactical traffic received from Combined Fleet units. There was been a noticeable increase in the
afloat traffic over the normal amount
usually seen. Fleet units seem to have a great deal of business with other Fleet units both within
and outside of their own organization.
Staff Officers are frequently addressed at other than their normal locations. The activity at Tokyo
has subsided somewhat in that there
were fewer general messages than for the past few days. Tokyo Intelligence sent out several messages
addressed to Second Fleet, Submarine
Force and Carrier Divisions. One was sent to SAMA for information to French Indo China Forces and
South China Fleet. The Navy Minister
sent out two AlNavs. The Direction Finder net is still active with all stations sending in reports and
Tokyo plotting station making reports
to major commanders.
Combined Fleet.-The flagship of Battleship Division Three appears today
at Sasebo, its southern jaunt
apparently having been completed. Destroyer
Squadron Four and Two appear associated with the Third Fleet. CinC Second Fleet continues his activity,
being still associated with Combined
Air Force, French Indo China Force, Third Fleet, and today with Carrier Division Three. Carrier Division
Three was in Takao and returned to the
Empire a week ago and has been associated with Third Fleet since. A Bako activity addressed the Chief of Staff
Second Fleet, Third Fleet and Combined
Air Force. The Chief of Staff Second Fleet addressed an urgent dispatch to CinC. French Indo China
Fleet information to Third Fleet and
Commander Cruiser Division Five.
Third Fleet.-Active as noted above. Several more units of this fleet
and of the Base Forces originated
movement reports but no indication of direction.
CinC. Third Fleet is still in Sasebo.
Fourth Fleet.-Activity in Mandates still centers about the Third Base Defense Force at Palao. Traffic between this
force, Tokyo and the Second Fleet was
considerable. One call (SITI 4) appeals at Jaluit today. This call has been identified as Carrier Division
Four and if the one message is correct
it appears that this Carrier Division (ZUIKAKU) is in the Jaluit area. This is not confirmed as no other indications have been found and its presence at Jaluit is doubted,
attributing the message to be a
Fifth Fleet.-Flagship located at Yokosuka. The CinC. Fifth Fleet appeared in a few dispatches from Tokyo but
no other activity seen.
(FROM: U.S. CONGRESS JOINT COMMITTEE ON PEARL
HARBOR ATTACK HEARINGS; PT. 35, THE
CLAUSEN INVESTIGATION, PP. 62-81. EXHIBIT "A" DAILY COMMUNICATION