A programmable 40 mm Gatling mount for warships

Would a 40 mm close-in gun be useful on modern warships?

Yes; a programmable-shell 40 mm development of the proposed 35 mm Gatling Phalanx concept would be useful.

A proposed 35 mm Gatling version of Phalanx from the 1970s or 1980s supplies the starting point for a larger close-in gun. No navy adopted that exact system. A preferred modern version would increase the calibre to 40 mm while retaining the Gatling arrangement. Programmable shells would complete the proposed update.