However, on November 2, 1943, while part of the fleet supporting the defense of Rabaul, Agano participated in a major action (the Battle of Empress Augusta Bay) against American units in which the cruiser Sendai and destroyer Hatsukaze were both sunk.
Battle of Waterloo | Hudson's Bay Company | San Francisco Bay Area | Green Bay Packers | Battle of Britain | Battle of the Somme | San Francisco Bay | Thunder Bay | Green Bay, Wisconsin | Battle of the Bulge | Augusta, Georgia | Tampa Bay Buccaneers | Chesapeake Bay | Augusta | Battle of Gettysburg | Hudson Bay | Battle Creek, Michigan | Battle of France | Bay of Biscay | Battle of Trafalgar | Tampa Bay | Moreton Bay | Battle of Hastings | Michael Bay | Battle of Antietam | Montego Bay | battle | Tampa Bay Rays | Guantanamo Bay detention camp | Bay of Fundy |
The day after the Battle of Empress Augusta Bay (2 November 1943), Noshiro departed Truk with CruDiv 4's Atago, Takao and Maya, CruDiv 7's Suzuya and Mogami, CruDiv 8's Chikuma and four destroyers, arriving at Rabaul on 5 November 1943.