Iskander

The National Interest website has an interesting article on Russia’s Iskander missile.  The article describes the missile,
 

Russia’s Iskander system, particularly the Iskander-M variant, is equipped with two solid-propellant single-stage guided missiles, model 9M723K1, each capable of carrying a warhead weighing 1,543 pounds. These warheads can include high-explosive fragmentation, cluster, or even nuclear payloads. With an operational range of 249 to 311 miles, the Iskander-M can strike targets deep …
 
The missile’s hypersonic terminal speed, reaching Mach 6 or 7, and quasi-ballistic trajectory, which involves evasive maneuvers during flight, make it exceptionally difficult to intercept. …  Russia has introduced radar decoys that deploy during the missile’s final approach, generating false signatures to confuse air defense systems like the US-supplied Patriot missile battery. Additionally, the missile’s ability to perform unpredictable maneuvers at high altitudes complicates interception algorithms, reducing the effectiveness of even defenses. The Iskander’s mobile launch platform, which can independently target and fire within seconds, adds to its survivability, as it is challenging to locate and neutralize before launch.[1]

Impessive, on paper, without a doubt but this is not an invincible weapon.
 

This has been especially evident in attacks on Kyiv where, despite Ukraine’s success in intercepting some missiles, the upgraded Iskander-M has caused significant damage.[1]

It would be interesting to know the circumstances of the successful intercepts and the overall success rates.
 
It is also noteworthy that the reported successes of the Iskander tend to be mainly centered around attacks on cities rather than military targets.  It is possible that the Iskander may be more of a terror weapon, similar to Germany’s V-1 rockets in WWII, than an effective combat weapon.
 
It is also worth noting that Ukraine possesses only fragments of a comprehensive air defense system and in only limited numbers.  It may be that the Iskander successes are more the result of a lack of air defenses than the effectiveness of the missile, itself.  On the other hand, perhaps not.  What is the success rate of the Iskander when attacking targets defended by active air defenses such as Patriot?  We just don’t know.
 
 
Discussion
 
Several thoughts occur:
 
Where’s our version of something like this?  Which one of our missiles has capabilities of similar to this?  I’m not aware that we have a missile approaching this type of performance.  We have a lot of different types of missiles so maybe I’m missing something? 
 
How do we effectively defend against this type of missile?  Are we testing our defenses against a representative threat surrogate?  I know we’re not because there is no realistic threat surrogate.  Since we’re not testing, how do we know how our defenses will perform?
 
It’s clear that the Iskander is not unstoppable.  How stoppable it is in the face of an actual defense is unknown but there is no reason to throw up our hands in defeat, as so many do at the mere mention of hypersonic missiles.
 
This emphasizes the importance of deep surveillance to try to target the launchers prior to launch.  We have plenty of deep strike options.  What we lack is survivable, deep surveillance assets that would be unaffected by anti-communications efforts (jamming, etc.)
 
Intimately tied to deep surveillance is deep strike with an emphasis on rapid response.  We have plenty of deep strike options but they need to be linked with the deep surveillance and targeting so that when a target is found, a weapon can be on its way in moments to destroy the target before it can launch or move.
 
It is also important to apply deep interdiction to prevent resupply of enemy missiles from occurring.  There’s a limit to how much damage an initial salvo of enemy missiles can do.  The challenge is to prevent follow on missiles from reaching launch points.  This requires deep strike interdiction on the order of hundreds of miles inside enemy territory.  This is the kind of task that a carrier group or a Marine amphibious raid behind enemy lines might address.
 
The challenges are twofold: 
 
1. Develop our own version of such a missile, including a ship launched variant.
2. Develop realistic defenses that are be mobile and can move with our forces.
 
 
 
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[1]National Interest website, “Russia’s Iskander Missiles Are Giving Ukraine a Massive Headache”, Brandon Weichert, 24-Jun-2025,
https://nationalinterest.org/blog/buzz/russias-iskander-missiles-are-giving-ukraine-a-massive-headache