is a former Welsh Guards lieutenant colonel and intelligence analyst for the British government's Joint Intelligence Committee. His book, 7-7: What Went Wrong, was one of the first to be published after the London bombings in July 2005.
Retreat is the most difficult military operation to carry out - because there is no hope of victory
Do we really need an aircraft carrier that might already be obsolete - or an army that can fight foreign wars?
Police investigating Gareth Williams's death have been hamstrung by 'national security' concerns
As Straw is served legal papers, it seems today's secret agents are no longer prepared to take the fall for politicians
A survivor of the Argentine attack on Sir Galahad reflects on missed warnings and misplaced trust
Gareth Williams's family are right – this has always looked like the work of a meticulous professional killer
Active service for young soldiers, gongs for the generals: no wonder the Army is slow to get out
French technicians helped prepare Exocet missiles - but was their 'treachery' any worse than America's?
A secret review into the future of our nuclear deterrent is underway - and it's time to face some home truths
We already have more Islamist extremists than our spooks can keep tabs on without inviting more
If Qatada had been wanted in the US as a dodgy banker or hacker, he'd have been deported long ago
He preached the Word of God, yet sought to justify the burning of Catholic homes and churches
The British Army's brave soldiers have failed in their only purpose - they don't win their wars
The Chinese are grown-up enough to run our former colony properly. The Spanish and Argentines are not
If Scotland goes independent, Northern Ireland could become a truly explosive issue once again
Where does the CIA find these people? The ranks of a heavily armed backwoods militia? The KKK?
'The conspiracy anoraks had a field day with the death of Diana, for exactly the same reason'
As the 30th anniversary of the conflict approaches, we must prepare for a new Argentina-Brazil double act
Ironically, our aggressively modern politicians are protected by men in red tunics and bearskins
Old prisoner of war films paint an unrealistic picture - British soldiers were often shot out of hand
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