Definition

Noun: 1. A military submarine designed and armed to attack enemy shipping: A type of submarine whose primary purpose is to find and destroy enemy surface vessels, such as cargo ships, tankers, and warships, as well as other submarines. It is distinguished from submarines designed for ballistic missile launch or other specialized roles.

Usage

The term "attack submarine" is used to classify a submarine based on its combat role. It is a specific type within naval forces. * The navy commissioned a new attack submarine to patrol the strategic sea lanes. * Modern attack submarines are equipped with advanced torpedoes and cruise missiles.

Advanced Usage

• The term is often abbreviated as SSN (where "SS" stands for Submarine and "N" denotes nuclear-powered) or SSK (for diesel-electric powered) in formal naval designations and discussions.
  • The fleet's SSNs, or nuclear-powered attack submarines, provide a significant tactical advantage.

Variants and Related Words

• Hunter-killer submarine: A synonym emphasizing the vessel's role in seeking out and destroying enemy targets.
• Fleet submarine: A historical term for an attack submarine designed to operate with a surface fleet.
• Ballistic missile submarine (SSBN): A contrasting type of submarine designed primarily for launching strategic nuclear missiles, not for direct naval engagement.

Synonyms

• Hunter-killer submarine

Related Phrases

• Fast-attack submarine: A phrase emphasizing the high speed of the vessel.
  • The fast-attack submarine quickly closed in on its target.

Noun

1. a military submarine designed and armed to attack enemy shipping