At the time of the attack on Pearl Harbor, Murasame was assigned to Destroyer Division 2 of Destroyer Squadron 4 of the IJN 2nd Fleet, and had sortied from Mako Guard District as part of the "Operation M" (the invasion of the Philippines, covering landings at Vigan and Lingayen Gulf).
At the time of the attack on Pearl Harbor, Murasame was assigned to Destroyer Division 2 of Destroyer Squadron 4 of the IJN 2nd Fleet, and had embarked from Mako Guard District as part of the "Operation M" (the invasion of the Philippines, covering landings at Vigan and Lingayen Gulf).