For weeks there had been signs that the Japs were building up their land, air and naval strength in the Southwest Pacific.
Last week there was definite evidence:
> Sixty Jap planes (40 of them bombers) plastered Allied-held Oro Bay in New Guinea.
> At Kavieng in New Ireland, 530 miles northeast of Port Moresby, New Guinea, a large naval and merchant fleet was assembled.
> Five Jap destroyers and a cargo ship were spotted steaming toward New Georgia, apparently to reinforce frequently bombed Munda.
> Northwest of Guadalcanal, U.S. airmen intercepted a swarm of...