 Complete the following phrase:  The Japanese minesweeper W-10, sometimes also referred to as No. 10, was a minesweeper of the Imperial Japanese Navy. It was laid down on 21 December 1937 at Ishikawajima Shipbuilding, now known as the IHI Corporation and launched on 22 September 1938. When it was completed on 15 January 1939 it was attached to the Sasebo Naval District. On 1 June 1941 W-10 was assigned to the Third Fleet, as part of MineSweepDiv 21, along with the minesweepers W-7, W-8, W-9, W-11, and W-12. On 27 November of the same year, W-10 departed from Sasebo, and arrived at the Mako Guard District in Formosa, a major base for the Imperial Japanese Navy. On 7 December 1941, the 