A Phalanx_CWIS is overkill. Also, I suspected that the system received continuous upgrades throughout the decades. Likewise, the Abrams tanks are cold war era

A Phalanx_CWIS is overkill. Also, I suspected that the system received continuous upgrades throughout the decades. Likewise, the Abrams tanks are cold war era tanks, but they are continuously upgraded that a modern Abrams tank isn't really a 1980 tank. Modernization is likely to remove some weight and make Abrams more survivable against drones, in response to the Russo-Ukrainian war;