Incredible new pictures show US Stealth Bombers in formation while flying over the White Cliffs of Dover.
The dramatic images capture the B-2 Spirit aircraft tearing across the UK's beaches.
They also were also joined by the RAF’s F-35 Lightning jets in the first dual training mission between the US and UK of its kind.
The Stealth Bomber is the most expensive military aircraft, costing around £1 billion each when they were introduced.
But production and development costs brought the price to £1.64bn for each of the 21 aircraft that were built between 1987 and 2000.
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The Lightning Jet comes in at a cool £100million per fighter.
Group Captain Richard Yates, Chief of Staff at the UK Air Battle Staff said: “We’re delighted that the USAF and 501st Wing Bomber Task Force are here in the UK and that our F-35 Lightning pilots have the chance to fly alongside and train with the B-2 bomber crews.
"This is the first time that any other country has done this."
At around 3pm, Dover Strait Shipping published a picture it identified as two stealth bombers and their escorting F35s.
They turned around over the sea off Folkestone.
And local resident Bobbie-Louise Willis photographed a group of planes above Elms Vale at about 2.45pm.
Defence minister Mark Lancaster said: “NATO is the bedrock of Euro-Atlantic defence, and those secure foundations continue to be reinforced by the training exercises being completed between the Royal Air Force and our special friends in the US Air Force.”
The exercise was the first time USAF B-2s trained with non-US F-35s.
Lieutenant Colonel Rob Schoeneberg, Bomber Task Force Commander, said: "Working alongside international fifth-generation aircraft provides unique training opportunities for us, bolsters our integration capabilities, and showcases the commitment we have to our NATO alliance.”