"Agano" departed for Truk on 9 July escorting the First Carrier Division while carrying troops and supplies. Despite numerous sightings by American submarines and an attack on the aircraft carrier , the convoy made it safely to Truk on the 15th. "Agano" helped to ferry troops and supplies to Rabaul on 19–26 July. In response to the American carrier raid on Tarawa on 18 September, the ship and much of the fleet sortied for Eniwetok to search for the American forces before they returned to Truk on 23 September, having failed to locate them. The Japanese had intercepted some American radio traffic that suggested another attack on Wake Island, and on 17 October, "Agano" and the bulk of the fleet sailed for Eniwetok to be in a position to intercept any such attack, but no attack occurred and the fleet returned to Truk.