Seven months after their combat debut in August, Ukraine’s Lockheed Martin F-16 fighters are flying sorties every ...

While climbing the ranks of the Soviet spy agency, he spent more than a decade working for British intelligence as one of its most highly placed moles.

NBC News joined a NATO flotilla as it sailed the icy sea hunting Russian saboteurs accused of targeting undersea cables.

A submarine of Russia's Pacific Fleet conducted drills in the Sea of Japan, launching cruise missiles at sea and coastal targets, the Russian state TASS news agency reported on Wednesday.

Russian survey ship previously accused of involvement in operation to map UK’s undersea infrastructure among three vessels ...

Britain’s highest-placed spy in the KGB during the Cold War – reminds us that heroes really do exist, and shines light on the ...

The U.S. is the biggest nuclear power in Europe, but doubts about Washington’s commitment has leaders questioning their ...

LONDON — Oleg Gordievsky, a Soviet KGB officer agent who helped change the course of the Cold War by covertly passing secrets ...

Warships escorting other countries’ warships through or close to their waters is an historic naval task. Doing so ...

The first recent operation saw the Royal Navy shadow a Russian task group in mid-February when HMS Iron Duke, HMS Tyne and ...

A ROYAL Air Force spy plane roared over a Russian warship in a dramatic Channel showdown – as Europe’s top generals swoop ...

Russia and the U.S. are restoring the diplomatic presence at their respective embassies in Washington and Moscow. This will ...