sentences:  This increased New Jersey's anti-aircraft capability, because the Mk 56 system could track and shoot at faster planes.In the 1980s modernization, the Mk 56 GFCSs and four mounts were removed to make room for missiles, leaving the Secondary battery with four Mk 37 GFCSs and six twin mounts on all the "Iowa" class.By the time of the Gulf War the secondary battery was largely relegated to shore bombardment and littoral defense.