What are storm shadow missiles, how does the cruise missile work and where did RAF Tornado jets use them in Syria air strikes?

RAF Tornado jets were deployed overnight on April 13 to bomb a Syrian chemical weapons factory in what has been hailed as a "highly successful mission".

Tornados are the UK’s main ground attack aircraft and are armed with Storm Shadow missiles. We explain what they are.

What are Storm Shadow missiles?

Storm Shadow missiles are long-range air-launched cruise weapons that weigh around 900lbs each, but can be heavier.

They can travel as far as 180 miles when launched.

These missiles are some of the most sophisticated air-launch weapons in the world.

They are designed to hit well-defended static targets like facilities, bunkers and bridges.

How does the cruise missile work?

As the missile detaches from the bomber, its wings fold out and it enters a pre-programmed low and fast terrain-hugging attack altitude, allowing it to cut under radar and air defences.

As it enters its final approach, Storm Shadow jettisons its nose cone to reveal a high-resolution infra-red camera.

The target recognition hardware then compares what is coming up on the ground with the stored image of the target.

Where have RAF Tornado jets used them in Syria?

Storm Shadow missiles were at the chemical weapons factory base, which is 15 miles west of Homs in the early hours of April14.

The deadly precision missiles were chosen because they could "maximise destruction".

The factory is a former missile base and is believed to be where the Syrian regime keeps "chemical weapons precursors".

What has the MoD said?

A spokesman for the MoD said: "Initial indications are that the precision of the Storm Shadow weapons and meticulous target planning have resulted in a successful attack.

"Very careful scientific analysis was applied to determine where best to target the Storm Shadows to maximise the destruction of the stockpiled chemicals and to minimise the destruction of the stockpiled chemicals and to minimise any risks of contamination to the surrounding area.

"The facility which was struck is located some distance from any known concentrations of civilian habitation, reducing yet further any such risk."

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