With Sir Keir Starmer under pressure to accelerate plans to reverse the decline, two new episodes of Sky News and Tortoise's podcast series The Wargame uncover what happened behind the scenes as Britain switched funding away from warfare and into peacetime priorities such as health and welfare after the Soviet Union collapsed.
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This decades-long saga, spanning multiple Labour, Conservative and coalition governments, includes heated rows between the Ministry of Defence (MoD) and the Treasury, threats to resign, and dire warnings of weakness.
It also exposes a failure by the military and civil service to spend Britain's still-significant defence budget effectively, further compounding the erosion of fighting power.
'Russia knew' about UK's weaknesses
Now, with the threat from Russia returning, there is a concern the UK has been left to bluff about its ability to respond, rather than pivot decisively back to a war footing.
"We've been living on a sort of mirage for so long," says Sir Ben Wallace, a Conservative defence secretary from 2019 until 2023.
"As long as Trooping the Colour was happening, and the Red Arrows flew, and prime ministers could pose at NATO, everything was fine.
"But it wasn't fine. And the people who knew it wasn't fine were actually the Americans, but also the Russians."
Not enough troops, medics, or ammo
Lord George Robertson, a Labour defence secretary from 1997 to 1999 and the lead author of a major defence review this year, says when he most recently "lifted the bonnet" to look at the state of the Army, Royal Navy and Royal Air Force, he found "we were really unprepared".
"We don't have enough ammunition, we don't have enough logistics, we don't have enough trained soldiers, the training is not right, and we don't have enough medics to take the casualties that would be involved in a full-scale war."
Asked if the situation was worse than he had imagined, Lord Robertson says: "Much worse."
'I was shocked,' says ex-defence secretary
Sir Gavin Williamson, a former Conservative defence secretary, says he too had been "quite shocked as to how thin things were" when he was in charge at the MoD between 2017 and 2019.
"There was this sort of sense of: 'Oh, the MoD is always good for a billion [pounds] from Treasury - you can always take a billion out of the MoD and nothing will really change.'
"And maybe that had been the case in the past, but the cupboards were really bare.
"You were just taking the cupboards."
But Lord Philip Hammond, a Conservative defence secretary from 2011 to 2014 and chancellor from 2016 until 2019, appears less sympathetic to the cries for increased cash.
"Gavin Williamson came in [to the Ministry of Defence], the military polished up their bleeding stumps as best they could and convinced him that the UK's defence capability was about to collapse," he says.
"He came scuttling across the road to Downing Street to say, I need billions of pounds more money… To be honest, I didn't think that he had sufficiently interrogated the military begging bowls that had been presented to him."
What to expect from The Wargame's return
Episodes one to five of The Wargame simulate a Russian attack on the UK and imagine what might happen, with former politicians and military chiefs back in the hot seat.
The drama reveals how vulnerable the country has really become to an attack on the home front.
The two new episodes seek to find out why.
The story of the UK's hollowed-out defences starts in a different era when an Iron Curtain divided Europe, Ronald Reagan was president of the US, and an Iron Lady was in power in Britain.
Sir Malcolm Rifkind, who went on to serve as defence secretary between 1992 and 1995 under John Major, recalls his time as minister for state at the Foreign Office in 1984.
In December of that year, then prime minister Margaret Thatcher agreed to host a relatively unknown member of the Soviet Communist Party Politburo called Mikhail Gorbachev, who subsequently became the last leader of the Soviet Union.
Sir Malcolm remembers how Mrs Thatcher emerged from the meeting to say: "I think Mr Gorbachev is a man with whom we can do business."
It was an opinion she shared with her close ally, the US president.
Sir Malcolm says: "Reagan would have said, 'I'm not going to speak to some unknown communist in the Politburo'. But if the Iron Lady, who Reagan thought very highly of, says he's worth talking to, he must be worth it. We'd better get in touch with this guy. Which they did.
"And I'm oversimplifying it, but that led to the Cold War ending without a shot being fired."
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In the years that followed, the UK and  much of the rest of Europe reaped a so-called peace dividend, cutting defence budgets, shrinking militaries and reducing wider readiness for war.
Into this different era stepped Tony Blair as Labour's first post-Cold War prime minister, with Lord Robertson as his defence secretary.
Lord Robertson reveals the threat he and his ministerial team secretly made to protect their budget from then chancellor Gordon Brown amid a sweeping review of defence, which was meant to be shaped by foreign policy, not financial envelopes.
"I don't think I've ever said this in public before, but John Reid, who was the minister for the Armed Forces, and John Speller, who was one of the junior ministers in the department, the three of us went to see Tony Blair late at night - he was wearing a tracksuit, we always remember - and we said that if the money was taken out of our budget, the budget that was based on the foreign policy baseline, then we would have to resign," Lord Robertson says.
"We obviously didn't resign - but we kept the money."
The podcast hears from three other Labour defence secretaries: Geoff Hoon, Lord John Hutton and the current incumbent, John Healey.
For the Conservatives, as well as Rifkind, Hammond, Williamson and Wallace, there are interviews with Liam Fox, Sir Michael Fallon, Dame Penny Mordaunt and Sir Grant Shapps.
In addition, military commanders have their say, with recollections from Field Marshal Lord David Richards, who was chief of the defence staff from 2010 until 2013, General Sir Nick Carter, who led the armed forces from 2018 until 2021, and Vice Admiral Sir Nick Hine, who was second in charge of the navy from 2019 until 2022.
'We cut too far'
At one point, Sir Grant, who held a variety of cabinet roles, including defence secretary, is asked whether he regrets the decisions the Conservative government took when in power.
He says: "Yes, I think it did cut defence too far. I mean, I'll just be completely black and white about it."
Lord Robertson says Labour too shares some responsibility: "Everyone took the peace dividend right through."
Building on the success of the highly acclaimed podcast The Wargame, Sky News presents The Wargame: Decoded - a one-off live event that takes you deep inside the minds of the wargame’s participants. Discover how they tackled the toughest challenges, the decisions they made under intense pressure, and even experience key moments of the game for yourself.
Click here to get tickets.
Sky News’ Deborah Haynes will guide the conversation with Sir Ben Wallace, Robert Johnson, Jack Straw, Amber Rudd, Keir Giles and General Sir Richard Barrons - real-life military chiefs, former government officials and leading experts. Together, they will unpack their experiences inside The Wargame, revealing the uncertainty, moral dilemmas and real-world pressures faced by those who must make decisions when the nation is under threat.
Join us for this unique event exploring how the UK might respond in a moment of national crisis and get a rare, unfiltered glimpse into how prepared the country truly is for war.
There was a motorcade from the airport, lunch at a Michelin-starred restaurant, and even a stroll around Red Square.
It felt like Steve Witkoff and Jared Kushner were on more of a tourist trail than the path to peace.
They finally got down to business in the Kremlin more than six hours after arriving in Russia. And by that point, it was already clear that the one thing they had come to Moscow for wasn't on offer: Russia's agreement to their latest peace plan.
According to Vladimir Putin, it's all Europe's fault. While his guests were having lunch, he was busy accusing Ukraine's allies of blocking the peace process by imposing demands that are unacceptable to Russia.
The Europeans, of course, would say it's the other way round.
But where there was hostility to Europe, only hospitality to the Americans - part of Russia's strategy to distance the US from its NATO allies, and bring them back to Moscow's side.
Putin thinks he's winning…
Russia wants to return to the 28-point plan that caved in to its demands. And it believes it has the right to because of what's happening on the battlefield.
It's no coincidence that on the eve of the US delegation's visit to Moscow, Russia announced the apparent capture of Pokrovsk, a key strategic target in the Donetsk region.
It was a message designed to assert Russian dominance, and by extension, reinforce its demands rather than dilute them.
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…and believes US-Russian interests are aligned
The other reason I think Vladimir Putin doesn't feel the need to compromise is because he believes Moscow and Washington want the same thing: closer US-Russia relations, which can only come after the war is over.
It's easy to see why. Time and again in this process, the US has defaulted to a position that favours Moscow. The way these negotiations are being conducted is merely the latest example.
With Kyiv, the Americans force the Ukrainians to come to them - first in Geneva, then Florida.
As for Moscow, it's the other way around. Witkoff is happy to make the long overnight journey, and then endure the long wait ahead of any audience with Putin.
It all gives the impression that when it comes to Russia, the US prefers to placate rather than pressure.
According to the Kremlin, both Russia and the US have agreed not to disclose the details of yesterday's talks in Moscow.
I doubt Volodymyr Zelenskyy is filled with hope.
Speaking during the final day of the Commons debate on the budget, Labour backbenchers demanded a U-turn on the controversial proposals.
Plans to introduce a 20% tax on farm estates worth more than £1m from April have drawn protesters to London in their tens of thousands, with many fearing huge tax bills that would force small farms to sell up for good.
MPs voted on the so-called "family farms tax" just after 8pm on Tuesday, with dozens of Labour MPs appearing to have abstained, and one backbencher - borders MP Markus Campbell-Savours - voting against, alongside Conservative members.
In the vote, the fifth out of seven at the end of the budget debate, Labour's vote slumped from 371 in the first vote on tax changes, down by 44 votes to 327.
'Time to stand up for farmers'
The mini-mutiny followed a plea to Labour MPs from the National Farmers Union to abstain.
"To Labour MPs: We ask you to abstain on Budget Resolution 50," the NFU urged.
"With your help, we can show the government there is still time to get it right on the family farm tax. A policy with such cruel human costs demands change. Now is the time to stand up for the farmers you represent."
After the vote, NFU president Tom Bradshaw said: "The MPs who have shown their support are the rural representatives of the Labour Party. They represent the working people of the countryside and have spoken up on behalf of their constituents.
"It is vital that the chancellor and prime minister listen to the clear message they have delivered this evening. The next step in the fight against the family farm tax is removing the impact of this unjust and unfair policy on the most vulnerable members of our community."
The government comfortably won the vote by 327-182, a majority of 145. But the mini-mutiny served notice to the chancellor and Sir Keir Starmer that newly elected Labour MPs from the shires are prepared to rebel.
Speaking in the debate earlier, Mr Campbell-Savours said: "There remain deep concerns about the proposed changes to agricultural property relief (APR).
"Changes which leave many, not least elderly farmers, yet to make arrangements to transfer assets, devastated at the impact on their family farms."
Samantha Niblett, Labour MP for South Derbyshire abstained after telling MPs: "I do plead with the government to look again at APR inheritance tax.
"Most farmers are not wealthy land barons, they live hand to mouth on tiny, sometimes non-existent profit margins. Many were explicitly advised not to hand over their farm to children, (but) now face enormous, unexpected tax bills.
"We must acknowledge a difficult truth: we have lost the trust of our farmers, and they deserve our utmost respect, our honesty and our unwavering support."
Labour MPs from rural constituencies who did not vote included Tonia Antoniazzi (Gower), Julia Buckley (Shrewsbury), Jonathan Davies (Mid Derbyshire), Maya Ellis (Ribble Valley), and Anna Gelderd (South East Cornwall), Ben Goldsborough (South Norfolk), Alison Hume (Scarborough and Whitby), Terry Jermy (South West Norfolk), Jayne Kirkham (Truro and Falmouth), Noah Law (St Austell and Newquay), Perran Moon, (Camborne and Redruth), Samantha Niblett (South Derbyshire), Jenny Riddell-Carpenter (Suffolk Coastal), Henry Tufnell (Mid and South Pembrokeshire), John Whitby (Derbyshire Dales) and Steve Witherden (Montgomeryshire and Glyndwr).
Sky News has spoken to parents and former child runners who say the long-term impact is devastating, as new figures show the problem shows no sign of abating.
In the last 12 months, police referred 3,200 vulnerable people, mostly children, to support services - in the latest crackdown on child exploitation within country lines gangs. Some 1,200 gang members were arrested in the same period.
"Lucy" was a drug runner featured in a Sky News film in 2018 on the exploitation of children used as drug runners.
Aged 13, she was set up to be robbed by her own gang during a trip from London to Southampton, then stabbed as punishment, and debt-bonded so she would run drugs for free. At the same age she was also made pregnant by one of the gang members.
Now in her early 20s she says the experience traumatised her, and she was sectioned with severe mental health problems.
She says: "My paranoia just overtook me. I was so paranoid all the time, like having to lock the doors, checking the windows, checking behind me walking in the street, not being able to breathe really, just constantly on edge.
"I was afraid of them finding me, or getting attacked again, or them making me work and feeling like a slave."
Lucy currently lives in a refuge, in hiding from a violent man.
'That's the cruelty of it all'
Amanda Stephens' son, Olly, had a similar experience to Lucy when he was 13. Olly was set up and robbed by his own gang on a trip to London from Reading.
Amanda says: "It wasn't until he spoke quite honestly with the social worker, he said, Olly, you were set up. Olly thought they were his friends and that's the cruelty of it all."
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Olly was autistic and vulnerable to influence. Amanda noticed his group of friends changed when he moved to secondary school and his locator on his phone sometimes placed him further away from home than he should be, but he refused to say what was going on.
"We lost control completely of him as our child."
Olly did warn his father that some children wanted to stab him - and tragically, despite his parents' efforts to keep him safe, in January 2021, Olly was lured to a field by a 14-year-old girl, where he was stabbed to death by two boys aged 13 and 14.
Vulnerable people 'exploited'
It was August 2015 when a report by the National Crime Agency said the Home Office had "identified a growing body of intelligence… that vulnerable young people are being exploited in order to facilitate the running of street level dealing".
It added: "'County Lines' is a national issue involving the use of mobile phone 'lines' by groups to extend their drug dealing business into new locations outside of their home areas."
This led to a wave of knife crime among young people, and a new law recognising the exploitation of children under the Modern Slavery Act in 2015.
Mother says her son was 'radicalised'
One parent, "Laura", told Sky News she felt like her son had been "radicalised" into drug dealing and acted like he was "on remote control", once jumping out of her car on the school run after one gang member sent him a text.
Like Lucy, Laura's son ended up being sectioned in his late teens and needing ongoing mental health support.
Every gift came at a price
Sarah, who doesn't want us to use her surname, says her son's involvement in county lines began when he was offered a McDonald's aged 12, in return for running an errand.
She says every gift came at a price: "So, they would give him the trainers, give him a bike, the coat, and everything they gave him were actually in their benefit, because if he was warm, he wasn't coming home. If he could get around faster, he could drop more. They would act like it was a gift, but, actually, you had to pay it off in bits."
Sarah says, 10 years on, the long-term impact has been devastating.
"Currently, he's serving a custodial sentence for possession with intent to sell. Mentally I think he's traumatised. Physically, he has scars from knife injuries, fractures. A face that I will never recognise, because people have broken that a couple of times."
'The consequences are death, prison, or the loss of your sanity'
A Sky News report in 2018 called Behind County Lines, which included Lucy's story, was part of the inspiration for a play called CODE by Justice In Motion, which tours schools and town centres.
Both Amanda and Sarah believe every child and parent should watch the production, which tells a story similar to Lucy's of a child groomed into joining a county lines gang.
Lead actor and rapper Still Shadey, who grew up in south London, had friends exploited by county lines gangs. He says: "The outcomes are clear. The consequences are death, prison, or the loss of your sanity."
The problem has had less publicity recently but continues to be a major focus for police with 2,300 "deal lines" closed by operations in the 12 months since July 2024, the highest annual figures since the government's County Lines Programme began in 2019.
'Disgusting and cowardly'
Crime and policing minister Sarah Jones said: "The exploitation of children and vulnerable people in this way is disgusting and cowardly. County lines gangs are also driving knife crime in our communities, and I want criminals to know that we will not let them get away with it. We will be relentless in going after these gangs."
The government has already announced new offences as part of the Crime and Policing Bill, including "criminal exploitation of children", which seek to increase convictions against exploiters and deter gangs from enlisting children. It will carry a maximum penalty of 10 years in prison.
The organisers insisted they always planned to ring-fence tickets at set prices to follow your own team.
But the announcement comes just days ahead of Friday's tournament draw in Washington DC, which Donald Trump plans to attend.
Fans will have to wait until Saturday to know exactly where and when their teams will be playing in next summer's tournament.
Variable pricing - fluctuating based on demand - has never been used at a World Cup before, raising concerns about affordability.
England and Scotland fans have been sharing images in recent days of ticket website images highlighting cost worries.
But world football's governing body said in a statement to Sky News: "FIFA can confirm ringfenced allocations are being set aside for specific fan categories, as has been the case at previous FIFA World Cups. These allocations will be set at a fixed price for the duration of the next ticket sales phase.
"The ringfenced allocations include tickets reserved for supporters of the Participating Member Associations (PMAs), who will be allocated 8% of the tickets for each match in which they take part, including all conditional knockout stage matches."
FIFA says the cheapest tickets are from $60 (£45) in the group stage. But the most expensive tickets for the final are $6,730 (£5,094).
There will also be a sales window after the draw from 11 December to 13 January when ticket applications will be based on a fixed price for those buying in the random selection draw.
It is the biggest World Cup with 104 matches after the event was expanded from 32 to 48 teams. There are also three host nations for the first time - with Canada and Mexico the junior partners.
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FIFA defended using fluctuating pricing.
"The pricing model adopted for FIFA World Cup 26 reflects the existing market practice for major entertainment and sporting events within our hosts on a daily basis, soccer included," FIFA's statement continued.
"This is also a reflection of the treatment of the secondary market for tickets, which has a distinct legal treatment than in many other parts of the world. We are focused on ensuring fair access to our game for existing but also prospective fans."
The statement addressed the concerns being raised about fans being priced out of attending.
FIFA said: "Stadium category maps do not reflect the number of tickets available in a given category but rather present default seating locations.
"FIFA resale fees are aligned with North American industry trends across various sports and entertainment sectors."
Ireland, Northern Ireland and Wales could also still qualify.




