If royal visits are about sending a message, then the picture of the Prince of Wales in a tank near the Russian border must be one of the most direct. Prince William has come to Estonia to support UK troops in what is now the British Army's biggest operational deployment overseas,

Members of the royal family hold honorary ranks within the UK military, however now Prince WIlliam is sending a very real message to Russia on the European continent. Britain’s forces in Estonia are its largest operational deployment in Europe,

The visit comes amid rising tensions with Russia and follows renewed NATO efforts to strengthen Eastern European defenses. Reuters reported that the Prince joined British soldiers in a Challenger 2 tank and a Warrior armored vehicle during a training exercise.