Yes it is a bug and trust me you will not get credit for ships you don't sink personally.... what i mean is it has to be sunk by your ships torps, or guns to be of credit to you in game.
Well maby not ..a.. bug it sounds a little more realistic to me.
__________________
It denos't mtater waht oredr the ltteers in a wrod are, it's olny iprmoatnt taht the frist and lsat ltteer be at the rghit pclae.The rset can be a total mses and you can sitll raed it wouthit porbelms.Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.
