Warfare History Network
Admiral Soemu Toyoda needed answers. The newly appointed commander in chief of Japan’s Combined Fleet, Toyoda found himself facing several unpleasant facts. By May 1944, Allied naval and air strength in the Pacific Ocean was growing at an alarming rate. Already, fast-moving enemy forces had advanced far across northern New Guinea and into the Admiralties and through the Marshall Islands in the Central Pacific.
http://nationalinterest.org/blog/the-buzz/us-navy-escort-group-changed-the-course-world-war-ii-the-23001