Japanese heavy warships withdrawn from the Bay of Bengal-Malaya area according to the U.S. Joint Intelligence Committee. Daily summary dated 22 April 1942

An item reported that all Japanese heavy warships including the aircraft carriers seemed to be withdrawn from the Bay of Bengal-Malaya area. The J.I.C. commented that the major naval operations in this area seemed to be completed and probably transferred to another area probably Melanesia to start on short notice.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 133 dated 22 April 1942.