The Royal Family Always Travels With A Stock Of Blood On Global Trips.

Royal Planes Are Usually Stocked With Blood Products Matched To The Royal's Blood Type.

The Blood Is Carried "In Case There Was Blood Transfusion" And To "Cover Every Eventuality".

Another Medical Supply Is Bought On Board.

Royal Naval doctors always accompany the Queen. This doctor has a large emergency medical bag.

No Two Heirs To The Throne Are Allowed To Travel Together.

This Rule Dates Back To The Early Days Of Air Travel When Flying Was Deemed Unsafe.

Concerns About The Cost-Of-Living Problem And Climate Emissions Have Scrutinized Royal Aircraft Use.

Prince Harry can't fly with Prince William because of the Royal Line of Succession.