Boots are being polished and buttons are being buffed ahead of today's annual inspection of the Woolwich-based Kings Troop Royal Horse Artillery (KTRHA).
The unit is responsible for firing royal and ceremonial salutes, and took centre stage at the funeral of Baroness Thatcher, bearing her coffin from St Clement Danes to St Pauls Cathedral.
More top news
Three men from East London have been jailed for stealing vital life-saving equipment worth over £100,000 from fire stations.
A 19 year-old from South East London has pleaded guilty after he soiled himself and revealed where he had hidden packets of heroin.
Max Whitlock was greeted by hundreds of fans as he returned to his gym in Essex for the first time since winning double gold in Rio.