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Secrets of the U.S. Navy’s Most Powerful Warships: What Makes Them Tick

Daniel Kim Views  

The first ship of the next-generation Aegis destroyer (KDX-III Batch-II), the ‘Jeongjo Daewang’, is set to be delivered to the Navy by the end of this year. The image shows its sea trials. Photo credit: HD Hyundai Heavy Industries

The U.S. Navy’s strategic might hinges on its diverse fleet of warships, which are categorized by their mission roles and displacement. These vessels can be broadly divided into two main categories: combat ships and support ships.

Combat Ships are designed for direct engagement with enemy forces and include cruisers, destroyers, frigates, and corvettes. On the other hand, Support Ships aid combat vessels from behind the front lines and include transport ships, landing ships, minesweepers, and rescue ships.

At the apex of this hierarchy are the largest vessels, the aircraft carriers, often referred to as “floating bases.” These carriers command and lead fleets, and their power rivals that of many smaller nations’ entire military forces. The U.S. Navy’s carrier strike groups exemplify this extraordinary capability.

The classification of combat ships is typically based on their displacement. Generally, ships over 10,000 tons are categorized as cruisers, those between 4,000 and 10,000 tons as destroyers, 1,500 to 4,000 tons as frigates, and around 1,000 tons as corvettes. However, modern advancements in weaponry have made these size-based distinctions less significant.

The criteria for assessing combat ship capabilities beyond displacement

Cruisers are known for their speed and versatility in missions such as reconnaissance, patrol, escort, and shore bombardment. They can operate independently over long distances. Notably, the South Korean Navy does not currently possess any cruisers.

Destroyers protect allied vessels from enemy threats, including torpedoes and large enemy ships. Modern destroyers have evolved into multi-role ships with capabilities in air defense and anti-submarine warfare. The South Korean Navy’s destroyers include the 3,000-ton KDX-I, the 4,500-ton KDX-II, and the 7,000-ton Sejong the Great, the first Aegis destroyer in South Korea’s fleet.

Frigates primarily provide escort duties for transport and landing ships and are highly maneuverable, making them effective against air and underwater threats. Corvettes, being smaller and less capable, generally focus on coastal defense and patrolling duties between destroyers and landing ships.

The U.S. Navy’s missile cruiser ‘Chancellorsville’ (CG-62). Photo credit: U.S. Navy

In addition, smaller vessels like high-speed patrol boats, ranging from 200 to 500 tons, are tasked with frontline missions. These boats, capable of speeds up to 37 knots, engage enemy vessels close to shore and endure heavy firepower while carrying out their missions. South Korea’s fast patrol boats, known as “Chamsuri,” perform various roles, including monitoring illegal fishing and preventing smuggling.

Support Ships, unlike combat ships, operate from the rear and include transport ships, landing ships, minesweepers, mine-laying ships, and rescue ships. Transport ships handle logistics, such as carrying oil and supplies. For example, during the Cheonan sinking incident, the large transport ship ‘Dokdo’ (displacement 14,000 tons) served as the command ship for search and rescue operations. Although classified as a transport ship, Dokdo supports landing operations.

Support ships that assist combat vessels from the rear

Minesweepers are responsible for detecting and removing mines and gathering oceanographic data. Vessels like the ‘Yangyang’ (displacement 920 tons) and ‘Ongjin’ are equipped with sonar for mine detection and exploration. Minesweepers operate around wreck sites to clear mines and unexploded ordnance.

The U.S. Navy’s nuclear aircraft carrier ‘Ronald Reagan’. Photo credit: U.S. Navy

Mine-laying Ships or “mine warfare vessels” lay mines and support minesweepers during operations. Rescue Ships specialize in recovery and salvage, equipped with cranes and lift bags for heavy objects. The ‘Pyeongtaek’ and ‘Gwangyang’ rescue ships participated in the Cheonan sinking operation alongside 22 military vessels, including four U.S. Navy ships, which supported the recovery efforts.

Submarines: Asymmetric power distinct from surface vessels

Submarines also play a crucial role in naval warfare. Despite their different operating environment, submarines are classified as warships due to their displacement and combat capabilities. They are designed for stealth and can inflict significant damage on enemy forces through torpedoes, mines, and anti-ship missiles. Submarines use sonar technology to detect and target enemy vessels, with torpedoes capable of sinking destroyers and anti-ship missiles extending their reach.

In evaluating naval power, the capabilities and types of warships are more critical than sheer numbers. While North Korea and China may have large fleets, the U.S. Navy’s strength is measured by its advanced and varied vessels, including cruisers, destroyers, frigates, and aircraft carriers. This comprehensive assessment of naval capabilities provides a clearer picture of a nation’s maritime power.

Daniel Kim
content@viewusglobal.com

Comments1

300

Comments1

  • Jerry Sinor

    My thoughts are you didn't mention any secrets. The real secret to how the ships tick, is the awesome well-trained crew, but I might be a little biased, because I was lucky enough to have served in the USN.

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