Truly game-changing technology does not develop in isolation. It results from the convergence of multiple trends and usually the combination of multiple technologies.
For example, today’s social-media platforms did not arise from internet connectivity alone. Rather, they evolved iteratively over multiple generations of technological development, incorporating the miniaturization of digital cameras, the increase in portable computing power of smartphones, and advances in cellular connectivity.
In that context, a cluster of technological trends may be converging to produce a potentially transformative battlefield capability: “stealth tanks.” This concept is not new and there is no certainty that these new technological developments will fully scale or prove operationally effective. But as these technologies develop they hint at possibilities that warrant serious discussion about their potential application to armored vehicles, as well as their operational and politico-strategic implications.
By “stealth,” we do not mean invisibility. Rather, it is a collection of technologies designed to reduce an object’s observable signature, thereby making detection more difficult. Even if temporary or incomplete, stealth provides a significant tactical advantage. Aircraft achieve stealth through a decreased radar cross section which incredibly complicates detection.
For example, today’s social-media platforms did not arise from internet connectivity alone. Rather, they evolved iteratively over multiple generations of technological development, incorporating the miniaturization of digital cameras, the increase in portable computing power of smartphones, and advances in cellular connectivity.
In that context, a cluster of technological trends may be converging to produce a potentially transformative battlefield capability: “stealth tanks.” This concept is not new and there is no certainty that these new technological developments will fully scale or prove operationally effective. But as these technologies develop they hint at possibilities that warrant serious discussion about their potential application to armored vehicles, as well as their operational and politico-strategic implications.
By “stealth,” we do not mean invisibility. Rather, it is a collection of technologies designed to reduce an object’s observable signature, thereby making detection more difficult. Even if temporary or incomplete, stealth provides a significant tactical advantage. Aircraft achieve stealth through a decreased radar cross section which incredibly complicates detection.
Of the two, heat is the greatest concern, as most targeting systems use IR. Recent research on ion-soaked graphene
sheets provides an exciting possibility. This thin and simple material
can shield an object’s thermal signature and even match the surrounding
temperature if actively manipulated. Applied to the surface of a tank,
graphene sheets could eliminate or significantly reduce a tank’s IR signature.
If this concept effectively scales up, of which there is no certainty, it may be simpler and more cost-effective to implement than current options for IR camouflage. IR sensors are ubiquitous among modern militaries and many antitank missiles like the American FGM-148 Javelin are IR-guided. Masking a tank’s IR signature would therefore make it difficult to both detect and target them with precision munitions.
Advancements in electric vehicles may also contribute to stealth by reducing noise and heat. Currently, a team of defense contractors, including SAIC and Lockheed Martin, is working to construct the first U.S. electric tank prototype; two demonstration vehicles are expected to be built by 2022. Moreover, the U.S. has expressed interest in military vehicles which generate their own electricity.
While battery weight is a problem for electric vehicles—especially for energy-intensive tanks that would require substantial battery power—the U.S. could consider a “series hybrid” approach like the original Chevrolet Volt or a “parallel hybrid” approach like diesel submarines. This would require a careful balancing requirements against battery weight and simplicity.
Passive stealth is fine, until you need to fire a round and thereby reveal your position. But even here, there are several options for retaining the advantage of stealth. (Of course, “jockeying” and defensive maneuvering to avoid detection and counter fire is, and will remain, a fundamental skill for tank drivers.)In the medium term, advanced networks and sensors, combined with emerging robotics, could create a “gun buggy” model similar to preliminary F-35 operational concepts. In this case, “stealth tanks” would refrain from firing themselves and instead direct remote autonomous platforms to deliver ordinance. These platforms would serve as organic mobile artillery and indirect fire support in a network-centric approach to warfare, allowing the coordinating tank to remain undetected.
If this concept effectively scales up, of which there is no certainty, it may be simpler and more cost-effective to implement than current options for IR camouflage. IR sensors are ubiquitous among modern militaries and many antitank missiles like the American FGM-148 Javelin are IR-guided. Masking a tank’s IR signature would therefore make it difficult to both detect and target them with precision munitions.
Advancements in electric vehicles may also contribute to stealth by reducing noise and heat. Currently, a team of defense contractors, including SAIC and Lockheed Martin, is working to construct the first U.S. electric tank prototype; two demonstration vehicles are expected to be built by 2022. Moreover, the U.S. has expressed interest in military vehicles which generate their own electricity.
While battery weight is a problem for electric vehicles—especially for energy-intensive tanks that would require substantial battery power—the U.S. could consider a “series hybrid” approach like the original Chevrolet Volt or a “parallel hybrid” approach like diesel submarines. This would require a careful balancing requirements against battery weight and simplicity.
Passive stealth is fine, until you need to fire a round and thereby reveal your position. But even here, there are several options for retaining the advantage of stealth. (Of course, “jockeying” and defensive maneuvering to avoid detection and counter fire is, and will remain, a fundamental skill for tank drivers.)In the medium term, advanced networks and sensors, combined with emerging robotics, could create a “gun buggy” model similar to preliminary F-35 operational concepts. In this case, “stealth tanks” would refrain from firing themselves and instead direct remote autonomous platforms to deliver ordinance. These platforms would serve as organic mobile artillery and indirect fire support in a network-centric approach to warfare, allowing the coordinating tank to remain undetected.
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