Japanese intended to complete base at Kwajalein as soon as possible according to the U.S. Joint Intelligence Committee. Daily summary dated 1 March 1942

An item reported that Japanese construction engineer arrived recently at Kwajalein, Japanese Mandates [nowadays Republic of the Marshall Islands] with the intention to complete the base with materials to arrive on very short notice.(1)

Note

1. For instance an aerial runway.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 81 dated 1 March 1942.