Navy
In Pictures: Britain's biggest warship HMS Prince of Wales sets sail for the US
Take a look at the images of Britain's biggest warship, HMS Prince of Wales, departing Portsmouth setting sail to the US for her autumn deployment.
This would be her longest deployment yet, following her return to action after nine months of repairs.
The 280-metre-long aircraft will be pushing the limits of aircraft carrier operations with drones, fifth-generation stealth fighters, tilt-rotors and helicopters, looking to, the Ministry of Defence says "revolutionise the way the Royal Navy operates Carrier Strike Groups".