US President's Air Force one touches down in UK Ahead of Queen's Funeral.
As other world Leaders Flew commercially, President Biden arrived in style onboard Air Force One
The President is reportedly traveling with a security detail of over 400 personnel for the funeral, making him the most-guarded world leader at the ceremony.
President Biden is expected to sign the official condolence book and attend a reception at Buckingham Palace on Sunday, followed by the state funeral of Queen Elizabeth II on Monday.
Biden's security detail clearly had their own plans in mind.