What Major is referring to is the ships of the Fleet of Fog, as a whole, consists of sentient ships in the likeness of ships from WWI to May 1, 1945. Apparently something happened on May 1, 1945, but the Mangas have not gone that far to reveal what it is.<br/><br/>as for the "Island" Fleet, for Build year, I can go as late as 38, but I'm trying to keep our Misfit Fleet of ships that were laid down before the start of the war. Basically, We're the rejects. :P Though some, if not all of us are not told why we were assigned to the island.<br/><br/>However, depending on how the story goes, later on I may open it up to later period ships (Early War (39-L41)<br/><br/>Here are some screen shots from the Anime:<br/>(https://lh3.ggpht.com/-qsmscE1RmkY/UlN-aWyzyiI/AAAAAAAAF7I/hoRjvyPvQgw/s1600/ss+(2013-10-07+at+08.37.14).jpg)<br/><br/>(http://ani.me/site_media/media/articles/2013/10/14/Aoki_Hagane_no_Arpeggio_Ars_Nova05_jpg_650x10000_q85.jpg)<br/><br/>(http://media.animevice.com/uploads/1/18405/700973-aoki_hagane_no_arpeggio_ars_nova___02___large_01_super.jpg)