The real iron chain


In many ways the “star” of the second book in the Jake Gibbs: Patriot Spy series isn’t Gibbs or even his sidekick Van Clynne, but an inanimate water beast – the iron chain that stretched across the Hudson River. Which of course is why the book is called The Iron Chain.

During the early stages of the War, the Hudson River was a critical highway for the Revolutionists. It was also a link between the new England colonies and the rest of the young nation. Both sides recognized this, and the river became the focal point of a major campaign to split the rebellion in two in 1777. While the British campaign ultimately failed, the river retained its strategic importance, and Washington could never afford to leave it completely unguarded.

There were actually two chains across the Hudson, and many more schemes to build one. The chain in the book – and the only one that actually saw battle – was anchored on the western bank near Fort Montgomery, running east across the river roughly where the Bear Mountain Bridge runs today. Made of iron links, it floated at intervals on rafts, which undoubtedly would have bobbed and weaved with the river, still tidal there. The chain was one part of an integrated defense, functioning something like a minefield would. Located at the bend in a river where ships would presumably have to tack or slow as they maneuvered, the chain would hold them back long enough for shore batteries to sink them.
The chain would have been just to the
left of the bridge in the picture above.

In the fall of 1777, a British force sailed north on the river, aiming to relieve the beleaguered British army marching to Saratoga. (Or, if you want the more optimistic British view, hoping to unite with it and snap the head off the dastardly rebellion.) The fleet sailed north, but rather than attacking the chain directly, the commander sent troops ashore below the fort to overwhelm the defenses. The lead elements engaged in a commando-style attack through the woods, surprising the few American defenders in the half-built earthworks below the main fort; Fort Montgomery and the river were cleared by the end of the day.

After the British retreated, a more elaborate chain was strung across the Hudson further north at West Point. That chain included a boom to help slow down an attacking fleet. From the vantage point of some 250 years, it also seems to have been better located - the river bend is nastier and West Point had a more commanding view of the river than Fort Montgomery - but in the event it was never challenged. Visitors to the Military Academy can see some of the chain, and judge the location for themselves.

(The Kindle version of The Iron Chain is available here. My webpage on the series is here.)

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