15 November 2024

Weaponized Containers: A Warship-in-a-Box for Warfighting Advantage

Steve Wills

Introduction

Naval vessels of all types have grown over the past 50 years. Even relatively low-end warship classes, such as the littoral combat ship, possessed significant system complexity. The tilt towards increasing warship complexity occurred before the mid-20th century. Arguably, the warship significantly diverged from its civilian, merchant counterparts around the time of the American Civil War (1861-1865), the last major conflict the U.S. converted large numbers of commercial vessels into front-line warships. At the time, one could merely provide a naval crew and mount a few guns onto a merchant ship to create a relevant warship. While that level of simplicity has long passed, technology has again made it possible to use elements of the commercial maritime system to quickly create functional warships. The ubiquitous shipping container, equipped with everything from cruise missiles to towed array sonars, generators, berthing, and command spaces, allows for the conversion of any container-capable commercial ship into a combatant.

These conversions do come with limitations in speed and especially the ability to sustain and recover from damage. That said, the “warship in a box” concept offers navies the ability to create combatants of different sizes and capabilities rapidly, from smaller offshore resupply ships with only a couple of containers to large “missile merchant” vessels depending on the number and types of container-based systems fitted.

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