Which of the following best describes a surface combatant?

A surface combatant is best described as a naval vessel built for engagement in surface combat. This definition encompasses a variety of ships that are designed to engage and destroy other naval units, enforce maritime security, and carry out offensive and defensive operations at sea. Surface combatants can include destroyers, cruisers, and frigates, which are equipped with advanced weaponry and sensor systems suited for surface warfare.

The focus on engagement in surface combat is crucial, as these vessels are primarily intended to operate in oceanic environments where they can confront and neutralize threats posed by enemy ships and, at times, assist in anti-air and anti-submarine operations as part of a broader naval strategy.

The other choices describe specific types of vessels or missions that do not encompass the broader definition of a surface combatant. For instance, a vessel primarily designed for anti-submarine warfare or a fast attack vessel designed for coastal operations targets more specialized roles within naval operations. Additionally, support vessels are crucial for logistics and supply missions but do not fall under the combat category, which is central to the definition of a surface combatant.