The prime suspects in the Salisbury nerve agent attack have claimed they visited the UK as tourists.
A massive US-led war game seeing thousands of troops carrying out an exercise in countries bordering Russia's eastern flank is incredibly important, a senior American general has said.
US President Donald Trump has called off next month's summit with North Korea's Kim Jong Un, calling the cancellation a "tremendous setback" for peace.
New missile defence system Sea Ceptor, which will protect the Royal Navy's aircraft carriers, has entered into service, the Defence Secretary will announce on Thursday.
President Vladimir Putin said Russia has tested an array of new strategic nuclear weapons that cannot be intercepted. This marks a technological breakthrough that would dramatically increase Russia's military capability.
Royal Navy bomb disposal experts detonate an unexploded Second World War bomb in the Thames estuary off Shoeburyness, Essex, after its discovery earlier this week in the King V George Dock close to London City Airport..
Gunshots and the thundering roar of armoured vehicles disturbed the silent snowy forests as British and Estonian troops went head-to-head in an ultimate winter war game.
The bodies of two British men killed while fighting against Islamic State in Syria have been repatriated to the UK. Sniper Jac Holmes and Oliver Hall, both 24, died one month apart last year while battling the extremist group in Raqqa.
An Army advertising campaign promoting the emotional support available to recruits has been criticised for failing to target those most interested in joining the forces.
A former prisoner of war has celebrated his 100th birthday in style after being rescued from a failing care home. Charles Saunders reached the milestone on Saturday at his new residence - the Royal British Legion's (RBL) Maurice House home in Kent.
In the war against ISIS, the only movement combatting the jihadists with any effectiveness on the ground is the Kurdish resistance army. This movement is made up of both men and women fighters forcing back the jihadists and reclaiming the land.
Since civil war started in Syria in 2011, an estimated nine million Syrians have fled their homes, half of them children. This feature length film follows seven young children for a year to witness the crisis through their eyes.
A captivating step back in time, Pozieres explores the small village in Northern France which, during the Great War in 1916, was the setting of one of the bloodiest battles in history, and a twentieth century tragedy for Australia.
This exclusive film reveals exactly why a coalition of 26 international powers, overseen by the United States, has yet to overthrow 30,000 ISIS jihadists.
During the Cold War, the US Air Force operated the world's fastest air-breathing aircraft - the Lockheed SR-71 Blackbird. Colonel Rich Graham tells BBC Future what made it so special.
In this fast moving, action-packed World War II adventure, Mel Gibson commands an elite military team dispatched during WWII to locate and rescue the survivors of a shot down plane.
Angels of War captures the experiences of villagers who lived through the Papua New Guinea campaign.
Winning World War I is a moving dramatisation of the landmark book, The Western Front Diaries, written by historian Dr Jonathan King.
The USS Franklin (CV-13). The men in the American Pacific fleet knew her as 'Big Ben'. She is known throughout history as 'The Ship That Wouldn't Die'. Even now, the very name Franklin spawns a tidal wave of emotion for all involved.
During World War II, 1.2 million African-Americans served in America's Armed Forces. Fully 125,000 served overseas. 708 were killed. Among these were The Wereth Eleven. Their story was lost to history. Until now.
The Afghan Solution is the story of a people left behind by their newly minted government. The film is a powerful and informative warning about the dangers of believing that a central government can address the gravely important issues Afghans face.
During World War II America fought a fearsome battle over the skies in Europe. And it was one plane that overcame all the odds and prove that persistence was a much greater power than fear. This airplane was the B-17 Flying Fortress.
Following the incredible mission to get Osama Bin Laden, Special Ops goes inside Seal Team 6 training and meets these brave warriors as they prepare for future assignments.
This award-winning documentary offers a rare glimpse into the lives of military families dealing with the loss of loved ones to friendly fire.
This is the epic history of Afghanistan seen through the eyes of an Afghan warrior, independent filmmakers and a small group of journalists, two who died covering the story.