rule of thumb guide.
IF IT AS RED FLAG WITH UNION JACK ON IT. ITS A MERCHANT. SINK IT.
IF IT A WHITE FLAG WITH RED CROSS AND UNION JACK , AVOID IT, OR IF IN A DEFENSIVE ENGAGEMENT SINK IT.
IF ITS A RED FLAG, WITH WHITE CIRCLE AND A SWAZTIKA, DONT SINK IT. IF IN DOUBT REFER BACK TO UNCKLE JIM,S POST