The US Navy’s Hypersonic Era Will Be Led By The Zumwalt-Class of Guided-Missile Destroyers

Photo Credit: 1. National Museum of the U.S. Navy / Wikimedia Commons / Public Domain 2. United States Navy / Wikimedia Commons / Public Domain

The US Navy’s research and development efforts are primarily centered on hypersonic missiles that can surpass the speed of sound. Although these missiles were originally designed for deployment from cruise-missile submarines, there are plans to extend their use to other naval vessels in the future. However, according to Chief of Naval Operations Adm. Mike Gilday, the first deployment of these hypersonic missiles will be on Zumwalt-class guided-missile destroyers.

What is a hypersonic missile?

Launch of a common hypersonic glide body at the Pacific Missile Range Facility in Kauai, Hawaii, 2020. (Photo Credit: United States Navy / Wikimedia Commons / Public Domain)

The Navy categorizes the hypersonic missile as a “conventional prompt strike weapon,” using a standard hypersonic glide body developed in collaboration with the US Army. This body, housing the warhead, is propelled into flight by a conventional rocket booster. After detachment, the missile continues its trajectory toward the target.

While maintaining a constant speed, it retains its maneuverability.

The maneuverability is what makes hypersonic missiles so dangerous

USS Zumwalt (DDG-1000) conducting sea trials in the Atlantic Ocean, December 2015. (Photo Credit: U.S. Navy / General Dynamics Bath Iron Works / Wikimedia Commons / Public Domain)

This maneuvering capability, rather than its ability to exceed Mach 5, presents a challenge for defense systems, as all current defensive measures are not tailored to counter such missiles. This specific characteristic has elevated hypersonic missiles to a focal point of competition among the United States, Russia and China.

What is the Zumwalt-class of guided-missile destroyers?

Zumwalt-class stealth destroyer passing Fort Popham on a test run. (Photo Credits: Staff photo Jill Brady / Portland Press Herald / Getty Images).

The Zumwalt-class of guided-missile destroyers consists of just three ships: the USS Zumwalt (DDG-1000) Michael Monsoor (DDG-1001) and the upcoming Lyndon B. Johnson (DDG-1002). The lead ship was first delivered to the Navy in May 2016 and commissioned a few months later.

The guided-missile destroyers were designed by Northrop Grumman Ship Systems, and Raytheon Company served as the systems integrator. General Dynamics Bath Iron Works, Lockheed Martin, BAE Systems Land and Armament, and Boeing worked on the project as well.

The Navy is waiting on hypersonic missile development  

The USS Zumwalt (DDG 1000) passing the Chesapeake Bay Bridge. (Photo Credits: National Museum of the US Navy / US Federal Government / Wikimedia Commons / Public Domain).

The Zumwalt-class ships are specifically designed for operations in shallow coastal waters. Consequently, the Navy is outfitting them to serve as effective platforms for blue-water surface combat and naval strikes. Initially, these ships were planned to be equipped with the Advanced Gun System, featuring two 155 mm guns capable of firing Long Range Land Attack Projectiles. However, with the reduction of the Zumwalt-class fleet to just three ships, this caused a significant increase in the price per shell, nearing $1 million each, prompting the Navy to rethink its original strategy.

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At present, the Navy is grappling with major challenges, including the incomplete development of hypersonic missiles and the limited size of the vertical-launch-system cells on Zumwalt-class destroyers, which restricts their ability to house these new missiles.

The Virginia-class submarines may be next 

US Navy Virginia-class submarine, USS North Carolina, docked at the HMAS Stirling port in Rockingham. (Photo Credits: Tony McDonough / AFP / Getty Images).

In the middle of March 2021, the Navy solicited defense industry partners for ways to reconfigure the Zumwalt-class vessels, so they could handle the new hypersonic missiles. In the solicitation, they requested an advanced payload module that could carry the missiles in a “three-pack configuration.”

Gilday also mentioned that the Navy is looking for ways to use the power-generating abilities of the Zumwalt-class to use direct-energy weapons as a defense against emerging threats.

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After outfitting the Zumwalt-class guided-missile destroyers with the hypersonic missiles, the Navy plans to add the weapons to their Virginia-class submarines. The goal is to have the missiles on the former by 2025.

Ian Harvey:
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