One of the most lethal warplanes ever built has landed in the UK as tensions with Russia mount over its war in Ukraine.
The US B-52 bombers - known as the Big Ugly Fat Fellow - boast a deadly arsenal of the latest high-tech nuclear and conventional weapons.
Dating back to the Cold War, the terrifying machines have been regularly updated to spearhead America's military deterrent and act as a standard bearer for the nation's air power.