The MK-15 Phalanx CIWS provides ships of the U.S. Navy with an inner layer point defense capability against ... and Unmanned Aerial Systems. Phalanx is the only deployed close-in weapon system ...

Even then, they'll likely be part of a layered defense – used alongside other close-in weapons systems like the Phalanx.

U.S. forces have relied largely on its ship-based Aegis missile-defense system to protect their own vessels and commercial shipping in the Red Sea, as well as the Phalanx system, which uses ...