yeah, it does and doesn't look photoshopped. the water streams are quite well done if it is. it IS a semi-typical Russian style sail ala Akula, Mike, or Alpha ... so maybe it actually IS a Russian sub.
speaking of Russian subs, some interesting info here ::
http://www.hazegray.org/worldnav/russia/submar.htm
trying to look up pics of the most modern of modern Russian subs now ...