Originally the Government had approved a new OTO Melara 76 mm gun to be fitted in the reconstruction .
The Navy insisted the 4.5 - inch twin gun mount be maintained , but were stuck with the ordered fire control intended to the 76 mm gun .
Originally the Government had approved a new OTO Melara 76 mm gun to be fitted in the reconstruction , but the Navy insisted the 4.5 - inch twin gun mount be maintained , but were stuck with the ordered fire control intended to the 76 mm gun .