Hello Guys! excuse me fot my terrible english! I have the Revell model of this U-boot, but Revell says that is possible to make a U-307 on istruction sheet. Not is possible! U-307 was a VIIC U boot, not a VIIC/41. U 307 had the turm 4 conning tower, but some particulars of hull was different! revell it has mistaken? Davide