The ceremony is underway as the Queen is set to formally name the Royal Navy's largest ship at Rosyth Dockyard in Scotland.
The Royal Navy has tweeted:
More top news
There will be gales across Scotland and northern England this morning, but these will gradually ease through the afternoon.
An unnamed 14-year-old boy was taken into custody following the attack, Anderson County Coroner Greg Shore said.
Scientists hope to capture stunning images and valuable data in the final moments before its impact.