What is a vacuum bomb? Will Russia’s thermobaric weapon change Ukraine war outcome?


Robert Tollast
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The war in Ukraine has shocked the world with the intensity of ongoing violence but is quickly taking on a more dangerous turn, with the introduction of the Russian TOS-1 Buratino missile launcher.

The multiple launch rocket system (MLRS) consists of a box of rockets mounted on a tank chassis, and can rain 24 220mm thermobaric rockets onto enemy positions — a terrifying prospect in the event of urban war where hundreds of civilians have already become casualties.

What is a thermobaric weapon?

Thermobaric weapons are what military experts call fuel air explosives; they create a cloud of explosive aerosol that spreads out before being detonated.

The resulting shockwave is more powerful than that caused by conventional solid explosive, crushing anything nearby and sucking oxygen from the air — causing horrific asphyxiation for anyone within its target zone. This effect has led them to be dubbed "vacuum bombs".

Despite its terrifying reputation, the system is actually quite short range, designed to engage targets out to around 6,000 metres.

That is ample in the event of a close-range urban battle, but could leave it vulnerable to infantry attacks, provided they can get close enough, unlike conventional artillery which can be tens of kilometres from the front lines.

Can vacuum bombs change the outcome in Ukraine?

Russia’s logic behind deploying the system will be to degrade the morale of Ukrainian soldiers — a full salvo of the system can level city blocks and smash trench lines.

Russian forces in tanks and armoured vehicles will then push forward to wipe out any demoralised survivors, part of a doctrinal belief in what US military think tank Rand called “a heavy emphasis on massed indirect fires…with the effects of these fires exploited by highly mobile vehicles with substantial direct fire capability”.

But this approach can put a strain on logistics over long distances, because multiple rocket launchers like the TOS-1 need constant resupply. Whether this will be an additional challenge for the Russians remains to be seen, but the deployment of the Buratino marks a dangerous escalation in the war.

What other weapons has Russia deployed?

The Buratino is also not the most powerful MRLS being deployed. The Russian BM-30 Smirch system fires larger, longer-range 280mm rockets, which can deploy cluster bombs or be used as a thermobaric weapon, like the Buratino.

More useful to the Russians than these systems could be the older BM-21 Grad MLRS, or “hail,” system which can rain down 40 122mm rockets in a matter of seconds. Russia has a vast arsenal of these weapons – tens of thousands of units have been built since the 1960s. Ukraine also has the system, but in much smaller numbers.

In 2014, at least 37 Ukrainian soldiers were killed and more than 100 injured in Zelenopillia in a massed Grad attack after drones spotted their base.

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How Tesla’s price correction has hit fund managers

Investing in disruptive technology can be a bumpy ride, as investors in Tesla were reminded on Friday, when its stock dropped 7.5 per cent in early trading to $575.

It recovered slightly but still ended the week 15 per cent lower and is down a third from its all-time high of $883 on January 26. The electric car maker’s market cap fell from $834 billion to about $567bn in that time, a drop of an astonishing $267bn, and a blow for those who bought Tesla stock late.

The collapse also hit fund managers that have gone big on Tesla, notably the UK-based Scottish Mortgage Investment Trust and Cathie Wood’s ARK Innovation ETF.

Tesla is the top holding in both funds, making up a hefty 10 per cent of total assets under management. Both funds have fallen by a quarter in the past month.

Matt Weller, global head of market research at GAIN Capital, recently warned that Tesla founder Elon Musk had “flown a bit too close to the sun”, after getting carried away by investing $1.5bn of the company’s money in Bitcoin.

He also predicted Tesla’s sales could struggle as traditional auto manufacturers ramp up electric car production, destroying its first mover advantage.

AJ Bell’s Russ Mould warns that many investors buy tech stocks when earnings forecasts are rising, almost regardless of valuation. “When it works, it really works. But when it goes wrong, elevated valuations leave little or no downside protection.”

A Tesla correction was probably baked in after last year’s astonishing share price surge, and many investors will see this as an opportunity to load up at a reduced price.

Dramatic swings are to be expected when investing in disruptive technology, as Ms Wood at ARK makes clear.

Every week, she sends subscribers a commentary listing “stocks in our strategies that have appreciated or dropped more than 15 per cent in a day” during the week.

Her latest commentary, issued on Friday, showed seven stocks displaying extreme volatility, led by ExOne, a leader in binder jetting 3D printing technology. It jumped 24 per cent, boosted by news that fellow 3D printing specialist Stratasys had beaten fourth-quarter revenues and earnings expectations, seen as good news for the sector.

By contrast, computational drug and material discovery company Schrödinger fell 27 per cent after quarterly and full-year results showed its core software sales and drug development pipeline slowing.

Despite that setback, Ms Wood remains positive, arguing that its “medicinal chemistry platform offers a powerful and unique view into chemical space”.

In her weekly video view, she remains bullish, stating that: “We are on the right side of change, and disruptive innovation is going to deliver exponential growth trajectories for many of our companies, in fact, most of them.”

Ms Wood remains committed to Tesla as she expects global electric car sales to compound at an average annual rate of 82 per cent for the next five years.

She said these are so “enormous that some people find them unbelievable”, and argues that this scepticism, especially among institutional investors, “festers” and creates a great opportunity for ARK.

Only you can decide whether you are a believer or a festering sceptic. If it’s the former, then buckle up.

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Updated: March 01, 2022, 12:00 PM