It takes a huge amount of capability, technology and firepower to defeat ballistic missiles – meaning a tit-for-tat air war would favour Israel, backed by the US, over Iran.
The head of the UK armed forces told Sky News over the summer that he does not believe any of the UK’s opponents – including Tehran, Moscow and Beijing – would be able to defeat the scale of attack that Iran first launched towards Israel in April.
“I think the US leadership and the proficiency that we have with our allies is at a level above our potential foes,” Admiral Sir Tony Radakin said in an interview.
That attack in April involved more than 100 ballistic missiles, nearly 200 drones and tens of cruise missiles – which were largely defeated.
Israel and the United States played by far the biggest role in blasting them out of the sky but the UK and a number of other allies also offered support.
Image: A battery of Israel’s Iron Dome defence missile system. Pic: AP
This time around, the Iranian military fired almost twice as many ballistic missiles – the hardest type of weapon to intercept because of the speed they can travel at.
But Israel said most of the projectiles were again intercepted in an operation once more led by Israeli and US forces.
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3:53
‘I’ve never seen anything like it’
While some of the projectiles did penetrate the defences, the damage was seemingly limited.
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It is an outcome that the US in particular will be hoping might limit the size of the Israeli retaliation.
This is what happened in April when the Netanyahu government was urged to “take the win”.
But Israel looks to be in no mood to compromise as its forces exploit the momentum from more than two weeks of punishing attacks against Hezbollah, the Iranian-backed paramilitary force in Lebanon, including the killing of its leader, which part-prompted the Iranian missile strike.
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1:41
Iran’s attack on Israel
Should the Israelis – as anticipated – launch an air attack on Iran, the damage that the Iranian regime would incur would likely be a lot bigger than what Israel absorbed unless the regime too is able to muster up some kind of coalition with its allies, principally Russia.
That seems highly unlikely given Russian forces will want to preserve their air defences to protect their own skies from increasing strikes by Ukraine – although the Russian government has been supplying Iran with increasingly sophisticated air defence systems, reportedly including the S-400, which is a step up from the Russian S-300 that Iran already operates.
Image: Apparent remains of a ballistic missile lying in the desert, after the attack by Iran on Israel. Pic: Reuters
Image: Pic: Reuters
The frailties in Iran’s own ability to defend its skies were exposed in January 2020 when a Revolutionary Guards air defence unit mistakenly shot down a Ukrainian passenger aircraft, killing all 176 people on board.
The error happened during a previous time of regional tensions when Iran was bracing for possible US retaliation to an Iranian attack against US forces in Iraq.
Air defence like a ‘game of 3D chequers’
The task of air defence is high-pressure and hugely complex.
It relies on a layered set of defences that complement each other, and need to be closely coordinated, while involving rapid decision-making and action.
“Early radar and satellite warning is key,” said a former senior Royal Air Force officer.
Image: Israeli Iron Dome air defence system fires to intercept rockets that were launched from Lebanon. Pic: AP
Image: Pic: AP
Images and movement picked up by satellite and radar are then used to identify possible threats, track them and work out if they are friendly, hostile or still unknown.
Next, commanders must prioritise the hostile threats, before instructing the appropriate air defence team to open fire.
Different threats require varying types of air defence systems, from short-range ground-based weapons to longer-range ones, with aircraft also able to play a role.
“So, a game of 3D chequers – putting in appropriate blocking pieces,” the former RAF officer said.
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0:51
How is Iran involved with Hezbollah?
Ballistic missiles are typically countered by large ground or sea-based air defence platforms that can even destroy the missile while it is out of the Earth’s atmosphere – which is almost certainly what will have happened to chunks of the incoming Iranian arsenal.
I watched some of the intercepts high up in the sky above northern Israel – they could well have been exoatmospheric (outside the Earth’s atmosphere).
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0:59
Missiles rain down on Jerusalem
Adding to the complexity of the challenge of shooting down incoming projectiles is Iran’s geography.
Geographically, it is a much bigger country than Israel, meaning finite air defence systems will only be able to guard the most important people and sites – in particular nuclear facilities.
On the flip side, the distance between Iran and Israel creates difficulties for the attacking force.
Israel has a far more sophisticated air force than the Iranians so may well seek to strike Iran with cruise missiles and other bombs launched from jets rather than ballistic missiles.
But they will need to fly more than 1,000 miles to hit their targets, laden with bombs and refuelling multiple times in the air – a mission that will be impossible to hide in advance.
Yet this is a mission Israel will have trained for.
It might well be just a matter of time until its aircraft fly the sortie for real.
At least 798 people in Gaza have reportedly been killed while receiving aid in the past six weeks – while acute malnutrition is said to have reached an all-time high.
The UN human rights office said 615 of the deaths – between 27 May and 7 July – were “in the vicinity” of sites run by the controversial US and Israel-backed Gaza Humanitarian Foundation (GHF).
A further 183 people killed were “presumably on the route of aid convoys,” said Ravina Shamdasani, from the Office of the UN High Commissioner for Human Rights.
Its figures are based on a range of sources, including hospitals, cemeteries, and families in the Gaza Strip, as well as non-governmental organisations (NGOs), its partners on the ground, and Hamas-run health authorities.
Image: Ten children were reportedly killed when Israel attacked near a clinic on Thursday. Pic: AP
The GHF has claimed the UN figures are “false and misleading” and has repeatedly denied any violence at or around its sites.
Meanwhile, Medecins Sans Frontieres (MSF) – also known as Doctors Without Borders – said two of its sites were seeing their worst-ever levels of severe malnutrition.
Cases at its Gaza City clinic are said to have tripled from 293 in May to 983 in early July.
“Over 700 pregnant or breastfeeding women and nearly 500 children are now receiving emergency nutritional care,” MSF said.
The humanitarian medical charity said food prices were at extreme levels, with sugar at $766 (£567) per kilo and flour $30 (£22) per kilo, and many families surviving on one meal of rice or lentils a day.
It’s a major concern for the estimated 55,000 pregnant women in Gaza, who risk miscarriage, stillbirth and malnourished infants because of the shortages.
The GHF began distributing food packages in Gaza at the end of May, after Israel eased its 11-week blockade of aid into the coastal territory.
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US aid contractors claim live ammo fired at Palestinians
It has four distribution centres, three of which are in the southern Gaza Strip.
The sites, kept off-limits to independent media, are guarded by private security contractors and located in zones where the Israeli military operates.
Palestinian witnesses say Israeli forces have repeatedly opened fire towards crowds of people going to receive aid.
The Israeli military says it has fired warning shots at people who have behaved in what it says is a suspicious manner.
It says its forces operate near the aid sites to stop supplies from falling into the hands of militants.
After the deaths of hundreds of Palestinians trying to reach the aid hubs, the United Nations has called the GHF’s aid model “inherently unsafe” and a violation of humanitarian impartiality standards.
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In response, a GHF spokesperson said: “The fact is the most deadly attacks on aid sites have been linked to UN convoys.”
The GHF says it has delivered more than 70 million meals to Gazans in five weeks and claims other humanitarian groups had “nearly all of their aid looted” by Hamas or criminal gangs.
At least 798 people in Gaza have been killed while receiving aid in six weeks, the UN human rights office has said.
A spokesperson for the Office of the United Nations High Commissioner for Human Rights said 615 of the killings were “in the vicinity” of sites run by the controversial US and Israel-backed Gaza Humanitarian Foundation (GHF).
A further 183 people killed were “presumably on the route of aid convoys,” Ravina Shamdasani told reporters in Geneva.
The office said its figures are based on numbers from a range of sources, including hospitals, cemeteries and families in the Gaza Strip, as well as NGOs, its partners on the ground and the Hamas-run health authorities.
The GHF has claimed the figures are “false and misleading”. It has repeatedly denied there has been any violence at or around its sites.
The organisation began distributing food packages in Gaza at the end of May, after Israel eased its 11-week blockade of aid into the enclave.
It has four distribution centres, three of which are in the southern Gaza Strip. The sites, kept off-limits to independent media, are guarded by private security contractors and located in zones where the Israeli military operates.
Palestinian witnesses say Israeli forces have repeatedly opened fire towards crowds of people going to receive aid.
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1:01
US aid contractors claim live ammo fired at Palestinians
The Israeli military says it has fired warning shots at people who have behaved in what they say is a suspicious manner.
It says its forces operate near the aid sites to stop supplies falling into the hands of militants.
After the deaths of hundreds of Palestinians trying to reach the aid hubs, the United Nations has called the GHF’s aid model “inherently unsafe” and a violation of humanitarian impartiality standards.
Follow The World
Listen to The World with Richard Engel and Yalda Hakim every Wednesday
In response, a GHF spokesperson told the Reuters news agency: “The fact is the most deadly attacks on aid sites have been linked to UN convoys.”
The GHF says it has delivered more than 70 million meals to Gazans in five weeks and claims other humanitarian groups had “nearly all of their aid looted” by Hamas or criminal gangs.
Ten children and two women are among at least 15 killed in an airstrike near a Gaza health clinic, according to an aid organisation.
Project Hope said it happened this morning near Altayara Junction, in Deir al Balah, as patients waited for the clinic to open.
The organisation’s president called it a “blatant violation of international humanitarian law, and a stark reminder that no one and no place is safe in Gaza“.
“No child waiting for food and medicine should face the risk of being bombed,” added the group’s project manager, Dr Mithqal Abutaha.
“It was a horrific scene. People had to come seeking health and support, instead they faced death.”
Operations at the clinic – which provides a range of health and maternity services – have been suspended.
Some of the children were reportedly waiting to receive nutritional supplements, necessary due to the dire shortage of food being allowed into Gaza.
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Israel‘s military is investigating and said it was targeting a militant who took part in the 7 October terror attack.
“The IDF [Israel Defence Force] regrets any harm to uninvolved individuals and operates to minimize harm as much as possible,” added.
Elsewhere in Gaza, the Nasser Hospital reported another 21 deaths in airstrikes in Khan Younis and in the nearby coastal area of Muwasi.
It said three children and their mother were among the dead.
Israel said its troops have been dismantling more than 130 Hamas infrastructure sites in Khan Younis over the past week, including missile launch sites, weapons storage facilities and a 500m tunnel.
On Wednesday, a soldier was shot dead when militants burst out of a tunnel and tried to abduct him, the military added.
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Do Trump and Netanyahu really get along?
Eighteen soldiers have been killed in the past three weeks – one of the deadliest periods for the Israeli army in months.
A 22-year-old Israeli man was also killed on Thursday by two attackers in a supermarket in the Israeli-occupied West Bank, said the Magen David Adom emergency service.
People on site reportedly shot and killed the attackers but information on their identity has so far not been released.
A major sticking point is said to be the status of the Israel Defence Forces (IDF) inside Gaza during the 60-day ceasefire and beyond, should it last longer.
More than 57,000 Palestinians have been killed in the war – more than half are women and children, according to Gaza’s Hamas-controlled health ministry.
Its figure does not differentiate between civilians and fighters.
The war began in October 2023 after Hamas killed around 1,200 people in Israel and kidnapped 251 others.
Some of them remain In Gaza and are a crucial part of ceasefire negotiations, which also include a planned surge in humanitarian aid into the strip.