Japanese warship Kanrin Maru ended in 1871.
Japanese barque Kankō Maru ended in 1876.
Japanese battleship Kaiyō Maru ended in 1869.
It's a ships name - most, if not all Japanese vessels end with the suffix maru.
Japanese warship Nisshin ended on 1892-03-25.
Japanese warship Fujiyama ended on 1889-05-10.
Japanese warship Moshun ended on 1887-10-08.
Warship Support Agency ended in 2005.
Warship to warship, airplane to airplane, army to army; the Germans and Japanese were better than their allied opponents. They were geared for war! The US defeated the Axis powers by out-producing them in EVERYTHING! When the Axis sank an allied warship, the US replaced it with TEN MORE! In the end, the Germans and Japanese ran out of men and equipment. The US had so much left over, they were re-cycled immediately from the factory to the scrap yards.
Koichi Waki has: Played Machine gunner in "The Great Raid" in 2005. Played Japanese Soldier in "Kokoda" in 2006. Played Japanese Captain in "The Tragedy of the Montevideo Maru" in 2009. Played Raggedy Boy in "Frame 137" in 2010. Played Japanese Soldier in "Sisters of War" in 2010. Played Soldier in "Singapore 1942 End of Empire" in 2012. Played Slap Thorlby Japanese Sergeant in "The Railway Man" in 2013.
I think your referring to the Spanish Armada.
No, this is not a Japanese custom.
iska does not occur on the end of Japanese names. desuka on the end of a sentence is denotes a question with the verb to be