 Complete the following phrase:  At the time of the attack on Pearl Harbor, Ikazuchi was assigned to Destroyer Division 6 of Desron 1 of the IJN 1st Fleet, and had deployed from Mako Guard District to provide cover for landing operations in the Invasion of Hong Kong. After assisting the cruiser in sinking British gunboats HMS Cicada and HMS Robin, she helped secure Hong Kong Harbor. After the start of 1942, Ikazuchi deployed from Hong Kong to Davao, providing cover for landing operations during the 