Prince William sends message from tank near Russian border on Estonia trip Prince William joins a training exercise by soldiers in Estonia guarding Nato's eastern border with Russia.

www.bbc.com/news/article... #HRH #PrinceWilliam #Estonia #Eesti #NATO #Ukraine #EestiVabariik #RussiaUkraineWar #OperationCabrit #MericanRegiment #BritishArmy #Challenger2