Well here's a link to the russian submarine typhoon it can be found here:
http://www.mediafire.com/file/w6jib3...+Beta+0.75.zip
and the seawolf submarine can be found here:
http://www.mediafire.com/file/hwyeny...awolf_V1.0.rar
Those are the only working modern sub links that i know of, all the others are broken. I hope this helps.