Princess Anne took the opportunity to take a tour inside a British Challenger 2 battle tank during a visit to the Tapa Base in Estonia.
During her time at the military base, she met with troops from the UK, Estonia and Denmark deployed as part of Nato's Multinational Battlegroup in the country.
Princess Anne is the Honorary Colonel of the King's Royal Hussars that is equipped with the Challenger 2 and currently serving in Tapa.
For more information see: www.forces.net/royals/princess-anne-takes-tour-inside-challenger-2-battle-tank