The battleship "Mikasa" was completed on March 1, 1902 by Vickers, Sons and Maxim in the UK.
Armed with 4 30.5 cm main guns, 14 15.2 cm secondary guns, 16 7.6 cm auxiliary guns,
Four 4.7 cm rapid-fire guns, four 45.7 cm torpedo tubes underwater, maximum speed of 18 knots,
The hull was armored with Krupp steel and was the world's strongest battleship at the time of completion.
In December 1904, she became the flagship of the Combined Fleet and fought in the Russo-Japanese War under Commander-in-Chief Heihachiro Togo.