The Queen, Duke of Edinburgh and other senior Royals including The Prince of Wales, Duchess of Cornwall, The Duke and Duchess of Cambridge, Prince Harry, The Duke of York and The Earl and Countess of Wessex will attend a service in St Paul's,which will begin at 11am on March 13, and will be broadcast live on BBC1.
After the service, aircraft including two Chinooks, two Apache helicopters, one Sea King MK4, one C-130-J Hercules and two GR4 Tornados will fly south to north at 12:20pm.
The service will remember those who have died and were injured during the military campaign, as well as all who served in Afghanistan.
During the service, a cross made of shell casings that adorned a memorial wall in Camp Bastion will be blessed by the Archbishop of Canterbury Justin Welby. Prayers will also be offered for the people of Afghanistan who have also died or suffered in the conflict.
Prime Minister David Cameron will also attend, alongside deputy prime minister Nick Clegg, defence secretary Philip Hammond, service chiefs and other senior political and military figures will also attend.Representatives of the Afghan nation will also be present, together with leaders of world faiths.